The Chart Below Describes the Short Run Productivity of Workers

The chart below describes the short run productivity of workers at Paper Pushers Inc. ,an office support firm that has no variable costs other than labor. $\begin{array}{|l|l|}\hline \text { Workers } & \text { Pages per Hour } \\\hline 1 & 40 \\\hline 2 & 75 \\\hline 3 & 105 \\\hline 4 & 125 \\\hline 5 & 140 \\\hline 6 & 150 \\\hline 7 & 155 \\\hline\end{array}$
If the market price is $5 per page,the first worker's VMP is ____ and the third worker's VMP is ____.

A) $20;$525
B) $200;$150
C) $200;$525
D) $20;$15