Gino's Pizza Shop Hires Workers in a Competitive Market to Make

Gino's Pizza shop hires workers in a competitive market to make pizza. The ingredients required to make each pizza cost $5. Daily output at Gino's Pizza varies with the number of workers hired, as shown in the table below: If pizzas sell for $8 each, what is the value marginal product for the 4th worker?

A) $96 per day
B) $112 per day
C) $48 per day
D) $128 per day