1x, a 2-inputNAND gate's cost is 2x, etc.) O NAND-NAND, total Cost 24x, NOR-NOR total cost 28xO NAND-NAND, total Cost 18x, NOR-NOR total cost 24xO NAND-NAND, total Cost 24x, NOR-NOR total cost 18xO NAND-NAND, total Cost 28x, NOR-NOR total cost 24x
Fig: 1
Fig: 2
Fig: 3
Fig: 4