when marginal revenue equals marginal cost, the firm a. must be generating positive economic profits. b. may be minimizing its losses rather than maximizing its profit. c. must be generating positive accounting profits. d. should increase the level of production to maximize its profit.

What additional information about the numbers used to compute this ratio might be useful in you assess liquidity? (select all that apply) (a) the maturity schedule of current liabilities (b) the average stock price for the industry (c) the average current ratio for the industry (d) the amount of current assets that is concentrated in relatively illiquid inventories