The percent of disposable income that consumers have to pay for their debt is called:

Joe runs a business and needs to decide how many hours to stay open. Figure 2.2 illustrates his marginal benefit of staying open for each additional hour. Suppose that Joe's marginal cost of staying open per hour is $32

How many hours should Joe stay open? A) 4 hours B) 5 hours C) 6 hours D) 7 hours

If the cross elasticity of demand is negative, that means the goods

A) have elastic demands. B) have inelastic demands. C) are complements. D) are substitutes. E) are inferior.