Sima invests some money in an account that earns a fixed rate of interst coumpounded annually. The amounts of the investment at the end of the first three years are shown in the grid below:

Year --- Total amount
- 1 $4240.00
- 2 $4494.40
- 3 $4764.06

a) Determine the annual rate of compound interest earned.
b) how much did Sima invest?

PLEASE HELP, AND SHOW ALL WORK. THANKS:)

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