单选题
编号:2692464
1. Suppose that rubber is the primary input in the production of golf balls. If the price of rubber increases while all else remains constant, then in the short-run:
- A.The marginal and average variable cost curves shift upward,but not the average total or average fixed cost curves.
- B.The average total and average variable cost curves shift upward,but the marginal and average fixed cost curves will shift downward.
- C.The marginal,average variable,and average total cost curves will shift upward,but the average fixed cost curve will not shift.