Alfie has preferences represented by the utility function u = c11?2 c21?2. He has income in period 1 of m1 = 4,000 and income in period 2 of m2 = 2,200. a. Write Alfie’s budget constraint in PV and FV form. b. Solve for Alfie’s optimal consumption bundle when the interest rate is r = 0.1. Does he save or borrow? c. Solve for Alfie’s optimal consumption bundle when the interest rate is r = 0.2. Does he save or borrow?