b.) How much interest is due on the sool c.) How much of the loan has been repaid after making the 100 payment? 5) A husband and wife contribute $4000 per year into an IRA paying 10% compounded annually. They have been doing so for 20 years. a.) What is the value of their IRA? b.) How much can they withdraw each year for the next 25 years so that at the end of the 25 years their IRA will be empty? 6) An ordinary annuity pays 6.48% compounded monthly a.) A person wants to make equal monthly deposits into the account for 15 years in order to then make equal onthly withdrawals of S1,500 for the next 20 years, reducing the balance to zero. How much should be deposited each month for the first 15 years? What is the total interest earned during this 35 year process? b.) if the person makes monthly deposits of S1,000 for the first 15 years, how much can be withdrawn monthly for the next 20 years? 7.) Pat wants to set up an annuity that will provide monthly payments of $75 for a total payout of $4500. The anr will be funded with an initial deposit of $4000. What annual interest rate, compounded monthly, does the anr need to earn to make this possible