The Following Table Shows Output Per Hour Produced by the Different

The following table shows output per hour produced by the different units of labor. Table 28.1
The marginal revenue product of a resource is equal to the product of the marginal product of an input and marginal revenue.
According to Table 28.1, the marginal-revenue product of the:

A) fourth worker is $8.
B) fifth worker is $3.
C) first worker is $3.
D) third worker is $5.
E) second worker is $12.