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.