Realize the function f(a, b, c, d, e) = Σ m(6, 7, 9, 11, 12, 13, 16, 17, 18, 20, 21, 23, 25, 28)using a 16-to-1 MUX with control inputs b, c, d, and e. Each data input should be0, 1, a, or a′.(Hint: Start with a minterm expansion of F and combineminterms to eliminate a and a′ wherepossible.)(3pts)