Suppose the quantity demanded of good X (Q_d) depends only on the price of good X (P), monthly income (M), and the price of a related good R (P_R) andMis $80,000 andP_Ris $1,000:

Q_d = 30,500 1,000P + 0.25M + 5P_R

Qs=10,000+2,0003PQs=-10,000+2,0003P

Total consumer surplus in equilibrium is _____. Total producer surplus in equilibrium is ______. The net gain to society created by the market for good X is ______.