Given the Table Below,as the Number of Workers Increases from 10

Multiple Choice

Given the table below,as the number of workers increases from 10 to 15,output per worker $\begin{array}{cccc}\begin{array}{c}\text { Number of } \\\text { Workers }\end{array} & \begin{array}{c}\text { Total } \\\text { Product }\end{array} & \begin{array}{c}\text { Average } \\\text { Product }\end{array} & \begin{array}{c}\text { Morginal } \\\text { Product }\end{array} \\\hline 5 & -&28 & -\\10 & - & - & 30 \\15 & 420 & - &- \\20 & -& -&22 \\\hline\end{array}$

A) increases from 290 to 420
B) increases from 28 to 29
C) decreases from 29 to 28
D) decreases from 30 to 26
E) none of the above