Answer:
The firm should pay $46907.57 for the given project.
Step-by-step explanation:
Given information:
Return = $15000 annually
Time = 5 years
Opportunity cost = 18%
The formula for payment is

where, R is return, OC is opportunity cost, t is time in years.
Substitute R=15000, t=5 and OC=0.18 in the above formula.



Therefore the firm should pay $46907.57 for the given project.