1. A consumer has $400 to spend on goods X and Y. The market prices of these two goods are PK: $10 and Pr: $40. a. What is the Market rate of substitution between good X and Y? b. I1Iustrate the COI'ISUIT'IBI'S opportunity SE21 in a EEFETUIW labeled diagram c. Show how the consumer's opportunity,r set changes if income increases by $400. How does the $400 increase in income aiterthe market rate oi substitution between goods X and Y