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.In this case,the market supply curve for milk is:

A) kinked at a price of $0.33.
B) kinked at a price of $0.50.
C) downward sloping.
D) an upward sloping straight line.