-Your coin collection contains fifty 1952 silver dollars. If your grandparents purchased them for their face value when they were new, how much will your collection be worth when you retire in 2063, assuming they appreciate at an annual rate of 5.4 percent?

-Calculate the future value if present value (PV) = $1020, interest rate (r) = 11.9% and number of years (t) = 15

-Assume the total cost of a college education will be $336,000 when your child enters college in 18 years. You presently have $71,000 to invest. What annual rate of interest must you earn on your investment to cover the cost of your childs college education? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)