4. The market equilibrium price for rice in Japan would be $3 per pound in the absence of government sub- sidies to rice production. However, the government sets the price of rice at $5 per pound and agrees to buy all the rice produced by farmers at that price. Assume that points on the demand curve for rice equal the marginal social benefit of alternative quan- tities, while points on an upward-sloping supply curve equal the marginal social cost of various quan- tities. Show how the subsidy program will result in losses in efficiency