a.) How many years will it take to double your money if you earn a 12% rate of return. Assume compounding occurs once a year.

b.) What is the present value of an annuity due paying $1200 per year for 25 years at a 10% discount rate. Compounding occurs once a year.

c.) If you deposit $115,000 in a bank account that pays 1% interest annually, how much will be in your account after 15 years?