Use the Table Below to Answer the Following Question

Multiple Choice

Use the table below to answer the following question.
Table 10.2.4

-Refer to Table 10.2.4.The table gives the total product schedule of workers who harvest corn.Diminishing marginal returns begin when the ________ is hired.

A) 1st labourer
B) 2nd labourer
C) 3rd labourer
D) 4th labourer
E) There are no diminishing marginal returns since total product always rises.