The slope of a line that passes through the points (20, 30) and (40, 14) is

When a credit card company offers different services with its card, like travel insurance for air travel tickets purchased with the credit card or product insurance for items purchased with the card, the credit card company is trying to

A) shift the demand curve for competing firms to the right. B) create a perfectly competitive market in which to sell its credit card. C) create a barrier to entry for competing firms. D) convince customers that its card has greater value than those offered by rival firms.

Administrative costs make small loans less profitable than large ones, other things equal

a. True b. False