*5.5 Suppose the demand and supply curves for rice in Japan are given by the following equations: Qd = 120 - 30 P Qs = 40 + 10 P where Qd = millions of tons of rice the Japanese would like to buy each year; Qs = millions of tons of rice Japanese farmers would like to sell each year; and P = price per ton of rice (in hundreds of $).

a. Fill in the following table: