Answer:
C. $0 minus the opportunity cost of the $40,000 of capital invested in the store.
Explanation:
Data provided in the question
Invested amount for furniture = $40,000
Total revenues = $90,000
Miscelleanous Cost = $60,000
Competitive salary = $30,000
Based on the above information, the profits for the year is $0 that should be less the opportunity cost i.e $40,000 that represents the capital invested in the store and the same is to be considered
Hence, the correct option is c.