Convert the SOP form in problem 6 (minterms) to the functional equivalent POS expression (maxterms), simplify the POS form using Boolean algebra, and find the NOR-only circuit.
a) SOP → POS → Simplification → NOR-only circuit
b) SOP → Simplification → POS → NOR-only circuit
c) POS → SOP → Simplification → NOR-only circuit
d) POS → Simplification → SOP → NOR-only circuit
