Chris Seals has just given an insurance company $62,525 in return, she will recelve an annuity of $7,458 for 12 years. a. At what rate of return must the insurance company invest this $62,525 to make the annual payments? (Use a Financial calculator to arrive at the answers. Round the final answer to 3 decimal places.) Rate of return b. What rate of return is required if the annuity is payable at the beginning of each year? (Use a Financial calculator to arrive at the answers. Round the final answer to 2 decimal places.) Rate of return