4. Hans has $27 which he decides to spend on x and y. Commodity it costs $16 per unit and commodity y costs $10 per unit. He has the utility function U(x, y) =5x2+ 2y2 and he can purchase fractional units of x and y. Hans will choose a. only x. [3. only y. c. some of each commodity but more y than x. d. some of each commodity but more it than y