Milky Moo and Mega Cow Are the Only Sellers of Milk.Milky

Milky Moo and Mega Cow are the only sellers of milk.Milky Moo's supply function is Q^s_MMoo = 12P - 6 at prices above $0.50 and zero at prices below $0.50.Mega Cow's supply function is Q^s_MCow = 9P - 3 at prices above $0.33 and zero at prices below $0.33.At a price of $0.45:

A) the market supply of milk is between 9 and 10 units.
B) the market supply of milk is between 4 and 5 units.
C) the market supply of milk is between 5 and 6 units.
D) the market supply of milk is between 1 and 2 units.