Point A 0 Bicycles and 5 Cars Point B 10 Bicycles and 4 Cars Point C 18 Bicycles and 3 Cars Point D 24 Bicycles and 2 Cars Point E 28 Bicycles and 1 Car Point F 30 Bicycles and 0 Cars What do you observe happening to the marginal opportunity cost of producing Cars in this economy? A. It is harder to produce cars than bicycles B. They are constant. C. They are present because of scarcity. D. They are increasing