. (5 points) Consider the following function written in the C syntaz 1. int foo (int a, int b) f 2. a b10; 4. return b a; 5. In each of the cases below, assume that the initial values of the variables are x z 3. Write down the values of x, y and z after the following calls tofoo. Ifec and -1, y-2, necessary, to-right order. ume that output arguments are copied back to parameters in the left- ass (a) z foo(x,y) where all parameters are passed by value