Suppose There Is a New Hormone That Will Increase the Amount

Multiple Choice

Suppose there is a new hormone that will increase the amount of milk each cow produces.If this hormone is adopted by many dairies, what will be the effect on equilibrium price and equilibrium quantity of milk?  

A)  an increase in supply, a higher equilibrium price, and lower equilibrium quantity 
B)  a decrease in supply, a lower equilibrium price, and a lower equilibrium quantity 
C)  an increase in supply, a lower equilibrium price, and a higher equilibrium quantity 
D)  an increase in supply, a higher equilibrium price, and a higher equilibrium quantity