1-Find the Sum of products (SOP) and the Product of sum(POS) for each output (f1,f2,f3,f4)

2-Minimize SOP & POS

3-Find the cost.

F2 decimal 0 f1 0 F3 0 O X3 0 0 0 X1 0 0 1 F4 0 0 1 0 1 0 0 1 2 3 4 5 6 X2 0 0 0 0 1 1 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 0 0 1 1 0 0 0 0 1 0 1 1 1 1 0 0 1 0 1 0 0 1 1 0 0 0 1 1 7 8 9 0 1 1 0 1 0 0 1 1 1 1 0 1 1 1