Let M(x) be the statement "x is a manager" and N(x, y) be the statement "x earns more than y," where the domain of x and y consists of all people. Which logical expression corresponds to the following statement? "Every manager earns more than every employee who is not a manager a. vxvy(N(x,y) (M (x) -M(y))) dVzVy((M (x) -M (y)) N(x,y))