Problem 1.8
Amount deposited = 5,000
Interest = 5% compounded semi annually
Time =2 years
Interest rate = 7% compounded for 5 years quarterly
Value after 7 years = 5000*(1+0.05/2)^4 *(1+0.07/4)^20
Value after 7 years = $7,808.25
Problem 1.9
Equivalent annual compound interest = (7808.25/5000)^(1/7) -1 = 6.57%
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Problem 1.8 You deposit $5,000 in an account earning 5% interest compounded semi-annually for 2 years...
Problem 1.8 You deposit $5,000 in an account earning 5% interest compounded semi-annually for 2 years and 7% interest compounded quarterly thereafter. What is the account value after 7 years? Problem 1.9 What is the equivalent effective annual (compound) interest rate in Problem 1.8? Problem 1.10 You deposit $5,000 in an account that earns 5% interest compounded annually in years 1 and 2, and thereafter a continuous rate δ(t) = 2/(t + 1) (t > 0). What is the value...
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Problem 1.11 Suppose an initial investment of $100 grows according to the accumulated amount function A(t) 100(1 0.05t) (t20). (a) Find the effective rate of interest earned during the 5th year is (b) Find the force of interest δ(t). (c) Find the "average rateequivalent annual effective rate) of interest earned during the first five years.
Problem 1.10 You deposit $5,000 in an account that earns 5% interest compounded annually in years 1 and 2, and thereafter a continuous rate δ(t) 2/(t + 1) (t > 0). What is the value of the account after 5 years?
Problem 1.10 You deposit $5,000 in an account that earns 5% interest compounded annually in years 1 and 2, and thereafter a continuous rate δ(t) 2/(t + 1) (t > 0). What is the value of the account after 5 years?
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