At Phil's Pretzel Stand, we found the following: 4 laborers produced 66 pretzels
5 laborers produced 76 pretzels
6 laborers produced 85 pretzels
7 laborers produced 88 pretzels
What was the marginal physical product of the seventh laborer?
A) 10 pretzels
B) 9 pretzels
C) 3 pretzels
D) none of the above due to insufficient information

Question

Quizplus · Accepted Answer

To find the marginal physical product of the seventh laborer, we need to consider the difference in the number of pretzels produced when the sixth and seventh laborers were added. 
So, the marginal physical product of the seventh laborer is the difference between the number of pretzels produced by 7 laborers and 6 laborers, which is 88 - 85 = 3 pretzels. Therefore, the answer is C.

At Phil's Pretzel Stand, We Found the Following: 4 Laborers