A shoe salesman working on commission must decide whether to work hard or shirk. Working hard would increase the probability of a sale from 20% to 70% but would cost him $5 . If the average price of shoes is $100, what is the minimum commission rate would induce him to work hard?

Moving downward along a linear (straight-line) downward-sloping demand curve, the

A) price elasticity of demand does not change. B) quantity demanded decreases. C) demand becomes more elastic. D) demand becomes less elastic. E) total revenue never changes.

A Treasury security with an original maturity of twenty years is called a

A) bond. B) note. C) bill. D) debenture.