Question

This C++ Program should be written in visual studio 2017

You are to write a program that can do two things: it will help users see how long it will take to achieve a certain investment goal given an annual investment amount and an annual rate of return; also, it will help them see how long it will take to pay off a loan given a principal amount, an annual payment amount and an annual interest rate. When the user runs the program, they will be asked to choose what to do. At the end, the user should be given the chance to repeat the program.

Investing – for the future!

For this set of calculations, the user will enter an amount indicating how much is to be invested annually, an annual rate of return and the goal amount for the investment. For example, the user might be able to invest $1000 each year into an account returning 15% annually. The user might then ask how long it would take to have $10000 total in the investment. At the start of the first year, the account balance would be $1000. At the end of the year, the balance would be $1150 (the balance plus the year’s interest). At the beginning of year two, the account would hold $2150 (the balance plus the new investment). As the years go by, the balance increases, and eventually the balance will equal (or exceed) the requested investment total.

The program should prompt the user for the necessary information, and then generate a table with each row showing the year, the balance at the beginning of the year and the balance at the end of the year. At the end of the table, your program should print out a summary indicating how many years were needed to achieve the goal, how much money was invested, how much the total interest was, and by how much the investment total exceeded the goal. When done, the program should prompt the user to do another calculation. Here’s an example of how the program might look when executed (user input highlighted):

Welcome to the Moodle Credit Union!

Do you want to invest (i) with us or borrow (b) from us? i

Enter the amount to invest annually: 1000

Enter the yearly percentage rate of return: 15

Enter the investment goal: 10000

Year    Balance (Jan 1)     Balance (Dec 31)

1           1000.00            1150.00

2           2150.00            2472.50

3           3472.50            3993.38

4           4993.38            5742.38

5           6742.38            7753.74

6           8753.74            10066.80

Number of years needed to achieve investment goal: 6

Total investment:                                     6000.00

Total accumulated return on investment:              4066.80

Final balance exceeds goal by:                       66.80

Do another investment/loan calculation? n

Borrowing for the present… or maybe just a present?

For this set of calculations, the user will enter the amount of a loan, the annual interest rate payable on the loan and the annual payment to be made against the loan balance. For example, the user may want to analyze the cost of borrowing $5000 at a 10% interest rate, with annual payments of $1000. Each year, interest is charged on the balance at the beginning of the year and the amount is added to the balance. At year’s end, the payment is made and the balance is reduced by that amount.

The program should prompt the user for the necessary information, and then display a table with each row showing the year, the balance at the beginning of the year and the balance at the end of the year. At the end of the table, your program should print out a summary indicating how many years were needed to pay off the loan, the total amount paid on the loan, how much interest was charged over the lifetime of the loan and by how much the final payment exceeded the balance of the loan. Here’s an example of how the program might look when run with this data (user input highlighted):

Welcome to the Moodle Credit Union!

Do you want to invest (i) with us or borrow (b) from us? b

Enter the amount of the loan: 5000.00

Enter the annual interest rate: 10.0

Enter the annual payment amount: 1000

Year               Balance            Balance

                   (Jan. 1)           (Dec. 31)

1                  5000.00            4500.00

2                  4500.00            3950.00

3                  3950.00            3345.00

4                  3345.00            2679.50

5                  2679.50            1947.45

6                  1947.45            1142.20

7                  1142.20            256.42

8                  256.42            -717.94

Number of years needed to pay back loan:      8

Total of payments:                             8000.00

Total of interest charged:                     2282.06

Balance at end of period:                      -717.94

Do another investment/loan calculation? n

OUTPUT FORMATTING

The program should use C++ features like setw and setprecision to format the output neatly. All money values should be written with two decimal places.

USE OF FUNCTIONS FOR THE ASSIGNMENT

You are to use the following functions (you may add more if you wish, but these are the minimum requirements):

• a void function, intro(), to introduce the program

• a string-valued function, getChoice(), to retrieve the validated user’s choice of calculation (invest or borrow)

• a void function, doInvest(), to perform the investment option, and another void function, doBorrow(), to perform the borrowing option

• a void function, showInvestSummary(), to display the summary for the investment option, and another void function, showBorrowSummary(), to do the same for the borrowing option; each will need four parameters to receive the data from the main program that is to be shown in the summaries

Answer 1

Note: Could you plz go through this code and let me know if u need any changes in this.Thank You
=================================

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdlib>
#include <ctime>


using namespace std;

void intro();
string getChoice();
void doInvest(double &annualInvestment,double &rate,double &goalAmt);
void showInvestSummary(double annualInvestment,double rate,double goalAmt);
void doBorrow(double &loan,double &rate,double &payment);
void showBorrowSummary(double loan,double rate,double payment);
int main() {
   //Declaring variables
string choice;
char ch;
double annualInvestment,rate,goalAmt,balance;
double loan,payment;
int count=0;
  
intro();
  
while(true)
{
cout<<"\nDo you want to invest (i) with us or borrow (b) from us? ";
choice=getChoice();
if(choice.compare("i")==0)
{
   doInvest(annualInvestment,rate,goalAmt);
   showInvestSummary(annualInvestment,rate,goalAmt);
   }
   else if(choice.compare("b")==0)
{
doBorrow(loan,rate,payment);
showBorrowSummary(loan,rate,payment);
   }
   cout<<"\nDo another investment/loan calculation ?";
cin>>ch;

if(ch=='y'||ch=='Y')
{

   continue;

}else
{
break;
}
   }
  
  
   return 0;
}
string getChoice()
{
   string choice;
   while(true)
   {
   cin>>choice;
   if(choice.compare("i")==0)
{
   return choice;
   }
   else if(choice.compare("b")==0)
   {
       return choice;
   }      
   else
   {
       cout<<"Invalid.Must be either 'i' or 'b'.Re-enter :";
   }
   }
}
void intro()
{
   cout<<"Welcome to the Moodle Credit Union!"<<endl;  
}
void doInvest(double &annualInvestment,double &rate,double &goalAmt)
{
   cout<<"Enter the amount to invest annually :";
   cin>>annualInvestment;
   cout<<"Enter the yearly percentage rate of return :";
   cin>>rate;
   cout<<"Enter the investment goal : ";
   cin>>goalAmt;
}
void showInvestSummary(double annualInvestment,double rate,double goalAmt)
{
   //setting the precision to two decimal places
   std::cout << std::setprecision(2) << std::fixed;

   int year=0;
   double balance=0.0,newbal=0.0,totReturn=0.0;
   cout<<setw(20)<<left<<"Year"<<setw(20)<<right<<"Balance (Jan 1)"<<setw(20)<<right<<"Balance (Dec 31)"<<endl;  
  
   while(balance<=goalAmt)
   {
       balance+=annualInvestment;
       totReturn+=balance*(rate/100);
       newbal=balance+balance*(rate/100);
       cout<<setw(20)<<left<<(year+1)<<setw(20)<<right<<balance<<setw(20)<<right<<newbal<<endl;
       year++;
       balance=newbal;
   }
   cout<<setw(50)<<left<<"Number of years needed to achieve investment goals:"<<setw(8)<<left<<year<<endl;
   cout<<setw(50)<<left<<"Total investment :"<<setw(8)<<left<<year*annualInvestment<<endl;
   cout<<setw(50)<<left<<"Total accumulated return on investment :"<<setw(8)<<left<<totReturn<<endl;
   cout<<setw(50)<<left<<"Final balance exceeds goal by :"<<setw(8)<<left<<balance-goalAmt<<endl;
  
}
void doBorrow(double &loan,double &rate,double &payment)
{
   cout<<"Enter the amount of loan :";
   cin>>loan;
   cout<<"Enter the amount interest rate :";
   cin>>rate;
   cout<<"Enter the annual payment amount :";
   cin>>payment;
}
void showBorrowSummary(double loan,double rate,double payment)
{
       //setting the precision to two decimal places
   std::cout << std::setprecision(2) << std::fixed;
   int year=0;
   double newLoan=0.0,totInterest=0;
   cout<<setw(20)<<left<<"Year"<<setw(20)<<right<<"Balance (Jan 1)"<<setw(20)<<right<<"Balance (Dec 31)"<<endl;  
   while(loan>0)
   {
       totInterest+=(loan*(rate/100));
       newLoan=loan+(loan*(rate/100))-1000;
       cout<<setw(20)<<left<<(year+1)<<setw(20)<<right<<loan<<setw(20)<<right<<newLoan<<endl;
       year++;

       loan=newLoan;
   }
  
   cout<<setw(50)<<left<<"Number of years needed to pay back loan :"<<setw(8)<<left<<year<<endl;
   cout<<setw(50)<<left<<"Total of payments :"<<setw(8)<<left<<year*payment<<endl;
   cout<<setw(50)<<left<<"Total of interest charged :"<<setw(8)<<left<<totInterest<<endl;
   cout<<setw(50)<<left<<"Balance at end of period :"<<setw(8)<<left<<loan<<endl;
}

========================================

Output:

C:\Program Files (x86)\Dev-Cpp\MinGW64\bin\InvestmentOrBorrow.exe Welcome to the Moodle Credit Union! 2 Do you want to invest (i) with us or borrow (b) from us? i Enter the amount to invest annually : 1000 Enter the yearly percentage rate of return :15 Enter the investment goal : 10000 Year Balance (Jan 1) Balance (Dec 31) 1 1000.00 1150.00 2150.00 2472.50 3 3472.50 3993.38 4 4993.38 5742.38 5 6742.38 7753.74 6 8753.74 10066.80 Number of years needed to achieve investment goals:6 Total investment : 6000.00 Total accumulated return on investment : 4066.80 Final balance exceeds goal by : 66.80 Do another investment/loan calculation ?y Do you want to invest (i) with us or borrow (b) from us? b Enter the amount of loan :5000.00 Enter the amount interest rate : 10.0 Enter the annual payment amount : 1000 Year Balance (Jan 1) Balance (Dec 31) 5000.00 4500.00 2 4500.00 3950.00 3 3950.00 3345.00 4 3345.00 2679.50 5 2679.50 1947.45 6 1947.45 1142.19 7 1142.19 256.41 8 256.41 -717.94 Number of years needed to pay back loan : 8 Total of payments : 8000.00 Total of interest charged : 2282.06 Balance at end of period : -717.94 Do another investment/loan calculation ?n Process exited after 25.84 seconds with return value o Press any key to continue

=====================Could you plz rate me well.Thank You