Question

amming Projects 1. Keith's Sheet Music needs a program to implement its music teacher's dis- count policy. The program is to prompt the user to enter the purchase total and to indicate whether the purchaser is a teacher. The store plans to give each customer a printed receipt, so your program is to create a nicely format- ted file called receipt.txt. Music teachers receive a 10% discount on their sheet music purchases unless the purchase total is $100 or higher. In that case, the discount is 12%. The discount calculation occurs before addition of the 5% sales tax. Here are two sample output files-one for a teacher and one for a nonteacher.

Answer 1

c code :

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
int main(){
float total_purchase,amount,discount,dis_amount=0,sales_tax=0;
char str[40];
printf("Enter total purchase Amount\n");
scanf("%f",&total_purchase);
/*confirming whether the customer is a teacher or not*/
printf("Whether the customer is a teacher(y or n)\n");
scanf("%s",&str);
if(strcmp(str,"y")==0){
if (total_purchase >= 100){
discount = 0.12 * total_purchase;}
else{
discount = 0.10 * total_purchase;}
/*calculate total discount amount for the customer*/
dis_amount = total_purchase - discount;
/*calculate sales tax for the music teacher*/
sales_tax = 0.05 * dis_amount;
/*calculate total amount*/
amount = dis_amount + sales_tax;}

/*Display receipt*/
if(strcmp(str,"y")==0){
printf("Total purchases :$%.2f\n",total_purchase);
printf("Teacher's discount(12%%) :%.2f\n",discount);
printf("Discounted total :%.2f\n",dis_amount);
printf("Sales tax(5%%) :%.2f\n",sales_tax);
printf("____________________________\n");
printf("Total :$%.2f\n",amount);}
else{
printf("Total purchases :$%.2f\n",total_purchase);
sales_tax = 0.05 * total_purchase;
printf("Sales tax(5%%) :%.2f\n", sales_tax);
printf("______________________________\n");
printf("Total is :%.2f\n",
total_purchase + sales_tax);}
getch();
return 0;
}

c code sample screenshot:

Open A 1 #include<stdio.h> 2 #include<string.h> 3 #include<stdlib.h> 4 int main() { 5 float total_purchase, amount, discount, dis_amount=0, sales_tax=0; 6 char str[40]; 7 printf("Enter total purchase Amount\n"); 8 scanf("%f",&total_purchase); | 9 /*confirming whether the customer is a teacher or not*/ 10 printf("Whether the customer is a teacher(y or n)\n"); 11 scanf("%s",&str); 12 if(strcmp(str, "y")==0) { 13 if (total_purchase >= 100){ 14 discount = 0.12 * total_purchase;} 15 else{ 16 discount = 0.10 * total_purchase;} 17 /*calculate total discount amount for the customer*/ 18 dis_amount = total_purchase - discount; 19 /*calculate sales tax for the music teacher*/ 20 sales_tax = 0.05 * dis_amount; 21 /*calculate total amount*/ 22 amount = dis_amount + sales_tax;} 23 24 /*Display receipt*/ 25 if (strcmp(str, "y")==0){ 26 printf("Total purchases :$%2f\n", total_purchase); 27 printf("Teacher's discount(12%) %.2f\n", discount); 28 printf("Discounted total :%.2f\n", dis_amount); 29 printf("Sales tax(5%) :%.2f\n", sales_tax); 30 printf(". _\n"); 31 printf("Total :$%.2f\n", amount);} 32 else{ 33 printf("Total purchases :$%.2f\n", total_purchase); 34 sales_tax = 0.05 * total_purchase; 35 printf("Sales tax(5%) %.2f\n", sales_tax); 36 printf(". \n"); 37 printf("Total is :%.2f\n", 38 total_purchase + sales_tax);} 39 getch(); 40 return 0 :

output screenshot

Enter total purchase Amount 122 Whether the customer is a teacher(y or n) Total purchases : $122.00 Teacher's discount(12%) :14.64 Discounted total : 107.36 Sales tax(5%) :5.37 Total : $112.73 ... Program finished with exit code o Press ENTER to exit console.

Enter total purchase Amount 122 Whether the customer is a teacher(y or n) Total purchases : $122.00 Sales tax(5%) :6.10 Total is :128.10

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