If the actual price level is lower than the expected price level, the economy will contract in the short run

As an economy produces more of one of the goods on a bowed out production possibilities frontier, what happens to the opportunity cost of producing the good?

A) It remains constant. B) It decreases. C) It increases. D) It might increase, decrease, or remain constant depending on how much people value the additional units of the good. E) None of these depicts what happens to opportunity cost.

Refer to the table above. What is the total revenue when the monopolist charges a price of $6?

A) $1,550 B) $1,800 C) $2,150 D) $3,200