Buyer a Has Offered $20,000 for a Painting You Are

Multiple Choice

Buyer A has offered $20,000 for a painting you are trying to sell.You are about to approach Buyer B whose best offer,you believe,might be anywhere between $16,000 and $24,000,with all values in between being equally likely.After hearing B's price,you will pick the higher of the two offers.What is the price that you expect to get for the painting?

A) $20,000
B) $21,333
C) $22,000
D) $22,680
E) $23,700