A singer finds herself with an extra $7,500 at the end of the year. Calculate the annual rate of return for each of the following investments (rounding to the nearest 0.1% where needed)

A) She can renovate her home to make it more energy efficient. Doing so will save her, on average, $89 per month on her energy bills.

Rate of Return:

B) She has a $14,500 of student loan debt, on which she is charged an annual yield of 6.8%. She could reduce this debt to $7,000.

Rate of Return:

C) She can loan the money to a relative's business, who promises to pay her back $12,000 in 7 years (Assume this loan is safe- shes 100% certain that she'll be paid back)

Rate of Return:

4) A singer finds herself with an extra 57,500 at the end of the year. Calculate the annual rates of return for each of the following investments (rounding to the nearest 0.1% where needed). a) She can renovate her home to make it more energy efficient. Doing so will save her, on average, 580 per month on her energy bills. Rate of Return: b) She has a $14,500 of student loan debt, on which she is charged an annual yield of 6.8%. She could reduce this debt to $7,000. Rate of Return: c) She can loan the money to a relative's business, who promises to pay her back 512,000 in 7 years (Assume this loan is safe-she's 100% certain that she'll be paid back.). Rate of Return