At the end of the production chain that a typical economy moves up along is

If a perfectly competitive firm's average total cost is less than the price, then the firm

A) incurs an economic loss. B) makes an economic profit. C) makes zero economic profit. D) makes either zero economic profit or an economic profit depending on whether the marginal revenue is equal to or greater than the price. E) None of the above answers is correct because the relationship between the price and average total cost has nothing to do with the firm's profit.

The CPI in 1970 was 38.8 and in 1998 the CPI was 163.0. If the real value of a 1970 gallon of milk in terms of 1998 dollars is $0.70, what was the nominal price of milk in 1970?

What will be an ideal response?