3. Kunal's preferences over goods X and Y are represented by U(X,Y) = X + 2yl/2. If Kunal chooses a corner solution, what must be TRUE? a. Kunal chooses to buy only good X if Py 2 b. Kunal chooses to buy only good Y if Py P2 I c. Kunal chooses to buy only good X if Py 2 NIANNIT d. Kunal chooses to buy only good Y if Py S