Figure 1 -Refer to FigurE

Figure 1

$\begin{array}{ccccc}\text { Year } & \begin{array}{c}\text { Price of } \\\text { pens }\end{array} & \begin{array}{c}\text { Quantity of } \\\text { pens }\end{array} & \text { Price of books } & \begin{array}{c}\text { Quantity of } \\\text { books }\end{array} \\\hline 2013 & \text { R57 } & 100 & \text { R190 } & 50 \\2014 & \text { R57 } & 120 & \text { R228 } & 70 \\2015 & \text { R76 } & 120 & \text { R266 } & 70\end{array}$
-Refer to FigurE?.What is the approximate percentage increase in prices from 2014 to 2015?

A) 0 per cent
B) 13 per cent
C) 16 per cent
D) 38 per cent
E) 22 per cent