The demand and supply function of a commodity are given as below.

Qd = 20 - 2p

Qs = 6p - 12

Where p = price in naira, Qd = Quantity demanded and Qs = Quantity supplied. The equilibrium price is

• A 2 Naira
• B 4 Naira
• C 6 Naira
• D 20 Naira