Answer:
Number of years= 7.064 years
Step-by-step explanation:
Giving the following information:
You invest $50,000 now and receive $10,000 per year for 15 years starting at the end of the first year. I= 9%
Io= 50,000
I1= 10,000/1.09= 9,174.31
Collected payback= 9174.31
I2= 10000/1.09^2= 8416.80
Collected payback= 17,591.11
I3= 10000/1.09^3= 7721.83
Collected payback= 25,312.94
I4= 10000/1.09^4= 7,084.25
Collected payback= 32,397.19
I5= 10000/1.09^5= 6,499.31
Collected payback= 38,896.5
I6= 10000/1.09^6= 5,962.70
Collected payback= 44,859.2
I7= 10000/1.09^7= 5470.34
Collected payback= 50,329.54
Number of years= 7 years + [329.54/(50000-44859.2)]= 7.064 years