State the accumulation function for investments made at a compounding interest rate of 10% per annum. Use this function to determine the following quantities at this interest rate.

a. The accumulated value of $100 after 17 years.

b. The accumulated value at t = 10 for a deposit of $40 made at t = 2 and another of $60 at t = 7.

c. The present value of a $150,000 debt due 3 months in the future.

d. The net present value of cash flows $40, $50, and $60 received at times t = 10, 11, and 12, respectively.

e. The accumulated value at t = 15 of the cash flows in part d.