Ethel and Jack each separately apply for and receive a loan worth $7,725 apiece. Ethel has a relatively average credit rating, so her loan has an APR of 9. 14%, compounded monthly. Jack’s credit rating is excellent, so his loan has an APR of 6. 88%, compounded monthly. If they both pay off their respective loans by making six years of identical monthly payments, how much more will Ethel pay than Jack? (Round all dollar values to the nearest cent. ) a. $1,047. 51 b. $1,681. 17 c. $687. 48 d. $613. 44.