You are given the series of cash flows shown in the following table.

Cash flows

Year A B C

1 $500 $1,500 $2,500

2 560 1,550 2,600

3 640 1,610 2,650

4 720 1,680 2,650

5 800 1,760 2,800

6 1,850 2,850

7 1,950 2,900

8 2,060

9 2,170

10 2,280

a. Calculate the compound annual growth rate between the first and last payment

in each stream.

b. If year-1 values represent initial deposits in a savings account paying annual

interest, what is the annual rate of interest earned on each account?