Answer:C. Face cream must not be processed further because cost increase more than revenue.
Step-by-step explanation:
The bottle of face cream cost $11 to the firm at a sales price of $15 bringing in a profit of $4, however if the firm decided to process the cream bottle further into sunscreen it will incur additional cost of $16 which brings the total cost to $27 and it can only be sold for $26 which brings a loss of $1 invariably cost is greater than revenue.