Answer:
Step-by-step explanation:
Barney's revenue = $ 12000
explicit costs = $ 75 + $ 50 = $ 125
a) Barney's accounting profit = total revenue - total explicit cost = $ 12000 - $125 = $ 11875
b) Barney's economic cost = total revenue - ( explicit cost + implicit cost )
where ( explicit cost + implicit cost ) = $ 10000 + $ 300 + $ 75 + $ 50 = $12000 - ( $ 10000 + $ 300 + $ 75 + $ 50) = $ 1575