If the price and quantity for peanut butter is $10 and 4 units at the original equilibrium, what is one possibility for the new equilibrium price and quantity of peanut butter if we see price of jelly increase and all other factors stay constant?
a. $11 and 7 units
b. $8 and 8 units
c. $8 and 3 units
d. $11 and 3 units
e. $11 and 2 units