9. A demand loan of $10 000 is repaid by payments of $5000 in one year, $6000 in four years, and a final payment in six years. Interest on the loan is 10% p.a. compounded quarterly during the first year, 8% p.a. compounded semi-annually for the next three years, and 7.5% pa. compounded annually for the remaining years. Determine the final payment FV1=11038.12891, FV2=7640.159346, FV3 $1895.41 tur Avrs Gyrs