Skippys Oysters fishes for oysters in the ocean and processes them for sale to restaurants and seafood producers. The shells are sold to a company that produces fertilizers for $100 a ton. A shell paving company has offered to buy the shells for $175 a ton if Skippys will power wash them. The power washing could cost $95 a ton. Skippys should: A) Power wash the shells and get the extra $75 a ton in the selling price B) Continue to sell the shells as is and collect $100 a ton with no additional work or costs C) Discontinue selling the shells D) Throw the shells back into the ocean