I'm not sure about my answer

PQ 5.06 Assume coffee and donuts are complement goods in consumption. If the cost of milk falls (an input in coffee production) we would expect the equilibrium price of donuts to _ and the equilibrium quantity Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a increase; rises b increase; falls C decrease; rises d decrease; falls Answered Resave