Transcript text: Calculate the missing information. Round dollars to the nearest cent and percents to the nearest tenth of a percent.
\begin{tabular}{|c|c|c|c|c|c|}
\hline Item & Cost & Amount of Markup & \multicolumn{2}{|c|}{Selling price} & Percent Markup Based on Cost \\
\hline Bookcase & $\$ 43.40$ & $\$ 24.50$ & \$ & $x$ & \% \\
\hline
\end{tabular}