-Paulette Owns a Pizza Parlour

-Paulette owns a pizza parlour. Her total cost schedule is in the above table. Her marginal cost of producing the fifth pizza is

A) between $10.01 and $14.00.
B) between $8.01 and $10.00.
C) between $14.01 and $78.00.
D) more than $78.01.
E) $8.