Calculate the return on equity for Costco for Year $2$ through Year $6$ in Excel. Carry your answers to three decimal places.

Note: Enter the answer rounded to three digits after the decimal; for example, enter $1\mathrm{.}422$ for $1\mathrm{.}4224,$ or enter $1\mathrm{.}423$ for $1\mathrm{.}4225.$

$\backslash$table$[[$Year$,\backslash$table$[[$Return on$],[$Equlty$]]],[$Year $2,0\mathrm{.}191],[$Year $3,0\mathrm{.}242],[$Year $4,0\mathrm{.}239],[$Year $5,0\mathrm{.}235],[$Year $6,0\mathrm{.}214]]$

selections. Right$-$click inside the chart, Select Data. The Series $(y-$axis$)$ should be the ROE, the Category $(x-$axis$)$ should be Years $2-6.$ select Format Axis. Set Minimum bound as $0\mathrm{.}17$ and Maximum bound as $0\mathrm{.}27$ on the column chart icon tab.

$5.$ Indicate which of the following descriptions best depicts the trends in Chart $1$ and the description that best depicts the trends in Chart $2$:

Chart $1$: a$.$ Return on equity increased sharply from Year $2$ to Year $4,$ stabilized for a year and dropped more rapidly in Year $5$ to Year $6.$

Chart $2$: a$,$ Return on equity increased sharply from Year $2$ to Year $4,$ stabilized for a year and dropped more rapidly in Year $5$ to Year $6.$ hat$()$

$6.$ Compute the percentage change in ROE from Year $2$ to Year $3,$ Year $3$ to Year $4,$ Year $4$ to Year $5,$ and Year $5$ to Year $6$ in Excel.

Note: Enter the percent rounded to one digit after the decimal; for example, enter $8\mathrm{.}4$ for $8\mathrm{.}44\%,$ or $8\mathrm{.}5$ for $8\mathrm{.}45\%.$

Note: Use a negative sign to indicate a decrease.

$\backslash$table$[[$Period Increase $($Decrease$),],[$Year $2$ to Year $3,5\mathrm{.}12\%$