Please help!

charged/demanded is The Penn State Math Club has determined that in order to successfully tutor x Math 110 students in preparation for the second midterm exam, the price per student p(x) in dollars that must be p(x) = 100 - 4x. The Math Club also determines that the total cost of tutoring x students is given by C(x) = 8x + 40. What price p(x) should they charge each student in order to maximize their profit? $54 O $24 $69 $4 $64