Zelda consumes only nectarines and mangos. Her utility function is U(x,y) = x²y⁴,where x is the number of nectarines consumed and y is the number of mangos consumed. Zelda's income is 66, and the prices of nectarines and mangos are 2 and 3, respectively. How many nectarines will she consume?

a.5.5

b.7.33

c.33.0

d.11.0

e.None of the above.