Complete Using Trend Analysis for Sales

Short Answer

Complete using trend analysis for sales. (Round to nearest percent and use 2017 as the base year.)
$$\begin{array} { | c | c | c | c | c | } \hline & 2014 & 2015 & 2016 & 2017 \\\hline \text { SALES } & \$ 179,000 & \$ 585,000 & \$ 340,000 & \$ 600,000 \\\hline & ( \mathrm { A } ) & ( \mathrm { B } ) & ( \mathrm { C } ) & ( \mathrm { D } ) \\\hline\end{array}$$