Answer:
a-1. The present value of Plan 1 = $93.08
a-2. The deal 2 which involves paying immediately adn taking the 10% discount is better.
Step-by-step explanation:
a-1.
The interest rate of 5% is taken as the discount rate to convert future cash flows into the present value.
The First payment plan with installments has a present value of,
Present Value-Plan 1 = 25 + 25/1.05 + 25/1.05² + 25/1.05³ = $93.08
a-2.
The first plan will cost $93.08 in the present value.
The second plan will involve immediate payment and a discount of 10%vwhch makes the present value of plan 2 as $90 (100 - (100*0.1)).
Thus, the second deal or deal involving immediate payment and taking the discount is better.