In: Finance
You can pay $110 per month, starting next month, for the next 5 years to have a lawn mowing service. Alternatively, you can purchase a riding lawn mower and pay $587 today and mow your own lawn for 5 years, starting next month. If you decide to mow your own lawn, how much do you save in PV terms if your investments earn 4.92% APR, compounded monthly? Note: If you would lose money, make your answer with a negative sign (e.g., - 3458)
Q-1)
You can pay $110 per month starting next month for 5 years to have a lawn mowing service.
Calculating the Present value today of per month payment using PV of ordinary annuity formual:-
Where, C= Periodic Payments = $110
r = Periodic Interest rate = 4.92%/12 = 0.41%
n= no of periods = 5 years*12 = 60
Present Value today of lawn mowing service is $5840.31
- While alternatively you can purchase a riding lawn mower for $587 today and mow your own lawn for 5 years.
Since, you decided to mow your own lawn and not paying monthly payment for mowing service, the Investment you save in PV terms will be:
Save in Investment in PV terms = $5840.31 - $587
= $5253.31