1. U=X1X2 Marshallian demand functions: I I * and x₁ X2* 2p₁ 2P2 Indirect utility function for consumer: V= 12 4P1P2 expenditure function for this consumer: E=2√PPU =2(PP₂U)"/² (a) Use the expenditure function to calculate the compensating variation. (b) Use the Marshallian demand and expenditure functions to calculate the Hicksian demand functions for this consumer. (c) Use the Marshallian demand function to calculate the total effect of the increase in price of good x1 from 1 to 4. (d) Use the Hicksian demand function to calculate the pure substitution effect. (e) Use your answers to (c) and (d) to calculate the income effect.