The figure above shows the market for umbrellas in Sunville. When the market for umbrellas in Sunville is in equilibrium, what is the total surplus?

If an employer cannot distinguish the ability of workers, a separating equilibrium will result

Indicate whether the statement is true or false

Holding everything else constant, as the price of natural gas rises, selling natural gas becomes

a. more profitable, and the quantity supplied falls b. less profitable, and the quantity supplied rises c. less profitable, and the quantity supplied falls d. more profitable, and the quantity supplied rises e. more profitable, but the quantity supplied does not change