Amy Is a Professional Photographer Who Specialises in Portrait Photography

Amy is a professional photographer who specialises in portrait photography. Amy is typically awake for 112 hours each week (she sleeps an average of 8 hours each day) . For each hour Amy spends photographing, she can earn $200.
-Refer to the information provided. What is the implicit price that Amy pays for the satisfaction derived from playing an hour of tennis?

A) 0
B) $75
C) $200
D) There is not sufficient information to answer this question