Table 302 Shows How Many Hairstyling Appointments a Hair Salon Can

Table 30.2 shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists.In the spaces provided, compute the marginal physical product (MPP) of the hair stylists, total revenue, and marginal revenue product of the stylists, assuming that a hair stylist charges $60 per appointment.What is the marginal revenue product of the second hairstylist?

A) $80 per week.
B) $1,200 per week.
C) $20 per week.
D) $4,800 per week.