____________: Most probable selling price, assuming "normal" sale conditions. Value for the "typical" market participant may not be fundamental value.

Assume a firm is currently producing 100 units of output, total fixed costs are $10,000, and average variable costs are $8. Based on this information we can conclude, with certainty, that the firm's:

A) marginal costs are $8. B) total variable costs are $8000. C) average fixed costs are $2. D) total costs are $10,800.

If a good is congestible, then _____

a. the optimal sharing group is a the national level b. the optimal club size is where marginal reduction in cost per user is minimized c. some congestion is optimal d. marginal costs are constant for any possible output level