Complete

Short Answer

Complete:
$$\begin{array} { | c | c | c | c | c | } \hline \text { PRODUCT } & \text { Cost in 2017 } & \text { Cost in 2018 } & \text { Amount of \$ Inc/Ded } & \begin{array} { c } \text { Percent Change (round to } \\\text { hundredths) }\end{array} \\\hline \text { Textbook } & \$ 21.50 & \$ 25.60 & \text { A } & \text { B } \\\hline\end{array}$$