Compute the future value of the following invested. PVA of $1, FVAD of $1 and PVAD of $1) (Use approp whole dollar.) Invested Interest Number of Item Amount Rate Periods a 209 $ 20,000 8% 10 b $ 30,000 4% 8 C $ 10,000 12% 15 Invested Interest Number of Amount Future Value Rate periods #D a. $ 20,000 8% 10 $ 43,179 b. $ 30,000 4% 8 $ 32,384 C. $ 10,000 12% 15