Milky Moo and Mega Cow are the only sellers of milk. Milky Moo's supply function is Q MMoo = 12P - 6 at prices above $0.50 and zero at prices below $0.50. Mega Cow's supply function is Q MCow = 9P - 3 at prices above $0.33 and zero at prices below $0.33. At a price of $0.45: O the market supply of milk is between 5 and 6 units. the market supply of milk is between 9 and 10 units. the market supply of milk is between 4 and 5 units. the market supply of milk is between 1 and 2 units