Please do them step by step and good handwriting

9. You put $2500 into a CD at the bank. If now, after 3 years, you have S3250 in the account, what rate of interest have you been earning? Assume annual compounding. 1o. Columbia Bank & Trust has just given you a $20,000 term loan to pay for a new concrete mixer. The loan requires equal monthly payments over the next 5 years. If the loan provides the bank with a 12 percent return, what will be your monthly payments? What would be the annual payment if the loan required 5 annual payments