Answer:
the opportunity cost will be $30,600
Step-by-step explanation:
Investment 40,000
50,000 revenue
(15,000) supplies cost
35,000 operating income
(400) interest expense 20,000 x 2%
34,600 net income
Opportuniy Cost:
30,000 (he would just take one job, so we must use the higher value)
600 interest revenue of the saving 20,000 x 3%
30,600
Economic gain 4,000