The demand for cocoa beans is price-inelastic. What is most likely to decrease as a result of an increase in demand for cocoa beans?

A.  price of cocoa bean products
B.  production of cocoa beans
C.  profits of cocoa bean producers
D.  unemployment among cocoa bean farmers

求大神解答，这题应该不难，但是我想不明白，感恩感恩！