For firms in perfectly competitive markets, the amount by which the total revenue rises when one more unit is sold is called the , and this is equal to the

Arival company manufactures fuel tanks for cars using a different production technique. the total weekly cost (in dollars) of producing x tanks is given by c(x) = 10000 +90x - 0.04x2 find the marginal cost at a production level of 500 fuel tanks per week to approximate the cost of the 501st unit (round to the nearest 2 decimal places, if needed)

In 1975, mcdonald’s introduced its egg mcmuffin breakfast sandwich, which remains popular and profitable today. this longevity illustrates the idea of:

If a government accumulates chronic budget deficits over time, what's one possible result? a. a collective action problem b. a debt crisis c. regulatory capture d. an unfunded liability