Answer:
4. Zero
Explanation:
Economic profit / loss is the net of the sale amount and all the costs including any opportunity cost.
According to the given data
Total revenue = $200 million
Total cost / Accounting cost/ Explicit cost = $190 million
Implicit cost / opportunity cost = $100 x 10% = $10 million
The Economic profit can be determined by the following formula:
Economic Profit = Revenue - ( Explicit cost + Implicit cost )
Or
Economic Profit = Revenue - ( Accounting cost + Opportunity cost )
Economic Profit = $200 million - ( $190 million + $10 million )
Economic Profit = $200 million - $200 million
Economic Profit = $0