(e) (4 points) Consider the following program #include #include double calculate (double, doublo): void aain) double x,Yzi x3.4 y 5.6 z- calculate(x,y)i double calculate (double a, double b) double c, d, // Pirst instruction -a+3.0*b d = 3.0,b* sin (a) ; ec+di return (e) // Last instruction During the execution of the caloulate function, what are the values of the variables a, b, c, d, e. before the execution of the first instruction? before the execution of the last instruction (return)