A small boutique chooses to stock sizeable artwork and sculpture, which consumes a lot of floor and wall space in an already cramped store. The owners turned down candle makers and a specialty stationery company- both of of which are compact - in order to stock the artwork and sculpture. The consequences in cash flow following from the rejection of the candles and stationery is called _____

A. overhead cost

B.opportunity cost

C. sunk cost

D. direct cost