Answer:
Mr. and Mrs. Hennesy
They should deposit $337,928.65 now.
Step-by-step explanation:
a) Data and Calculations:
Amount required per year after retirement = $40,000
Period of years during retirement = 20 years
Total amount required for 20 years = $800,000 ($40,000 * 20)
Interest rate = 9%
N (# of periods) 10
I/Y (Interest per year) 9
PMT (Periodic Payment) 0
FV (Future Value) 800000
Results
PV = $337,928.65
Total Interest $462,071.35