An article about how coffee boosts critical thinking is likely to affect which determinant of demand?

In the above table, what is marginal product of labor for the 5th worker?

A) 10 B) 14 C) 9 D) 11.2

Refer to Figure 5-2. The marginal benefit of the last unit produced is represented by the price

A) Pa. B) Pb. C) Pc. D) Pf.