Suppose Dexter and Amy are the only members of a community that is trying to determine how much of a public good should be produced. Dexter's (inverse) demand curve is given by P = 50-5Q, while Amy's (inverse) demand curve is given by P = 150-15Q, where P is price or marginal benefit and Q is the quantity of the good. The marginal cost of producing the public good is constant at $80. Amy will vote for the efficient quantity of the public good if the price to her is:

a. $20.
b. $40.
c. $60.
d. $80.

About 20 years ago, sturdy light, inc., produced a sturdy, lightweight backpack in a market that was rapidly growing. sturdy light became a leader in this market. eventually, the backpack market reached the maturity stage and slowed down. however, by this time, sturdy light had developed a strong brand name and continued to steadily lead the market. which of the following describes this scenario? a. sturdy light was a star that developed into a cash cow. b. sturdy light was a question mark that developed into a star. c. sturdy light was a dog that developed into a question mark. d. sturdy light was a cash cow that developed into a star.