Please don't use excel to solve the problems and show your work.

16.1. (a) Calculate the amount realized at the end of 7 years through annual deposits of $1000 at 10 percent compound interest. (b) What would the amount be if interest were compounded semiannually? 16.2. A young woman purchases a used car. After down payment and allowances, the amount to be paid is $8000. If money is available at 10 percent, what is the monthly payment to pay off the loan in 4 years? What would it be at 4 percent interest? 16.4. A father desires to establish a fund for his new child's college education. He estimates that the current cost of a year of college education is $20,000 and that the cost will esca- late at an annual rate of 4 percent. (a) What amount is needed on the child's eighteenth, nineteenth, twentieth, and twenty-first birthdays to provide for a 4-year college education? (b) If a rich aunt gives $10,000 on the day the child is born, how much in additional funds must be set aside at 4 percent on each of the first through seventeenth birth- days to build up the college fund? 16.17. You buy 100 shares of stock in QBC Corp. at $40 per share. It is a good buy, for 4 years, 3 months later you sell these shares of stock for $148 per share. What is the annual rate of return on this fortunate investment