1)Juana deposited $200 into a savings account that compounded interest monthly. What nominal annual rate compounded monthly was earned on the investment if the balance was $574.80 in 8 years? The nominal annual rate of interest is ?% per annum compounded . (Round the final answer to four decimal places as needed. Round all intermediate values to six decimal places as needed.)

2)

(a) How many years will it take for $7500 to accumulate to $9517.39 at 3% compounded semi-annually?

(b) Over what period of time will money triple at 9% compounded quarterly?

(c) How many years will it take for a loan of $10,000 to amount to $13,684 at 10.5% compounded monthly?

3)

How long will it take $1633.00 to accumulate to $1910.00 at 5% p.a. compounded quarterly?State your answer in years and months (from 0 to 11 months).

The investment will take ? year(s) and ? month(s) to mature.