An economics textbook is an example of:

If a firm's average variable cost curve is rising, its marginal cost must exceed its average variable cost

a. True b. False Indicate whether the statement is true or false

The slope of the short-run aggregate supply curve shows that:

A. as overall price levels increase, firms are willing to produce more. B. as overall price levels decrease, firms are willing to produce more. C. firms are constrained to a certain level of output in the short run, regardless of the price. D. firms are constrained to a certain price in the short run, regardless of level of output.