Refer to the Following -Diminishing Returns Begin with the
A) 1st Worker

Refer to the following:

$\begin{array}{cccc}\begin{array}{c}\text { Number of } \\\text { Workers }\end{array} & \begin{array}{c}\text { Total } \\\text { Product }\end{array} & \begin{array}{c}\text { Average } \\\text { Product }\end{array} & \begin{array}{c}\text { Marginal } \\\text { Product }\end{array} \\\hline 5 &- & 28 & -30 \\10 & - & - & 30\\15 & 420 & - &- \\20 &- & - &22\\\end{array}$
-Diminishing returns begin with the

A) 1st worker.
B) 5th worker.
C) 10th worker.
D) 11th worker.
E) 16th worker.