1) Sara likes to Play-station games (P) and Cinema (C). The cost of Play-Station games is birr 2 and that of Cinema is birr 4. Sara's monthly budget for these item is birr 100 and her utility function is U(P,C)= P2C2, Then calculate A) Utility maximizing units of Play-station and Cinema (2 pts) B) MRSPC at optimum point and interpret the result (1 pt)