Use the Following Information to Answer the Following Questions

Multiple Choice

Use the following information to answer the following questions:
Mickey L.Douglas,owner of MLD Incorporated,knows that the marginal product of labor (MPL) for his workers can be defined as follows:
MPL = 32 - L
The total output a given level of workers can produce is found as:
Q = 32L - L²
He also knows that the price of his output is $3.His profits can be found as:
Profit = (P * Q) - (W * L)
-What is the value of additional output produced by the twelfth worker?

A) $20
B) $100
C) $10
D) $60
E) $80