3. Tabulate the PLA programming table for the four functions below. Minimize the num- ber of product terms. A(x, y, z) = (1, 2, 4, 6) B(x, y, z)=(0, 1, 6, 7) C(x, y, z)=(2,6) D(x, y, z) = (1, 2, 3, 5, 7)