University of Illinois at Urbana-Champaign

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Stock Investments are based on the following chart, which shows monthly figures for Apple stock in $2010:^{17}$
Marked are the following points on the chart:
$$\begin{array}{|c|c|c|c|c|c|}\hline \text { Jan. 10 } & \text { Feb. 10 } & \text { Mar. 10 } & \text { Apr. 10 } & \text { May 10 } & \text { June 10 } \\\hline 211.98 & 195.46 & 218.95 & 235.97 & 235.86 & 255.96 \\\hline \text { July 10 } & \text { Aug. 10 } & \text { Sep. 10 } & \text { Oct. 10 } & \text { Nov. 10 } & \text { Dec. 10 } \\\hline 246.94 & 260.09 & 258.77 & 294.07 & 317.13 & 317.44 \\\hline\end{array}$$
Calculate to the nearest $0.01 \%$ your annual percentage return (assuming annual compounding) if you had bought Apple stock in February and sold in June.