1. (Compound interest) To what amount will the following investments accumulate? a. $4,900 invested for 10 years at 10 percent compounded annually b. $7,800 invested for 7 years at 7 percent compounded annually c. $760 invested for 12 years at 13 percent compounded annually d. $21,000 invested for 5 years at 6 percent compounded annually a. To what amount will $4,900 invested for 10 years at 10 percent compounded annually accumulate? $ (Round to the nearest cent.) b. To what amount will $7,800 invested for 7 years at 7 percent compounded annually accumulate? $ (Round to the nearest cent.) c. To what amount will $760 invested for 12 years at 13 percent compounded annually accumulate? $ (Round to the nearest cent.) d. To what amount will $21,000 invested for 5 years at 6 percent compounded annually accumulate? $ (Round to the nearest cent.)