Given a function f(a,b,c,d) = Σm(0, 1, 9, 13, 15), Σd(3, 4, 5, 6, 8), find a simplified function f using k-map as; a. Sum of Products (SOP)  b. Product of Sums (POS)  c. Draw the circuits for a & b above and compare them.

Given a function f(a,b,c,d) = Σm(0, 1, 9, 13, 15), Σd(3, 4, 5, 6, 8), find a simplified function f using k-map as;
a. Sum of Products (SOP) 
b. Product of Sums (POS) 
c. Draw the circuits for a & b above and compare them.