See Table $2\mathrm{.}5,,$ showing financial statement data and stock price data for Mydeco Corp.

a$.$ Compute Mydeco's ROE each year from $2019$ to $2023.$

b$.$ Compute Mydeco's ROA each year from$2019$ to $2023.$

c$.$ Which return is more volatile? Why?

a$.$ Compute Mydeco's PE ratio each year from $2019$ to $2023.$

Calculate the ROEs for $2019$ through $2023$ below: $($Round dollar amounts to one decimal place and ROE to two decimal places.$)$

$\backslash$table$[[$Year$,,2019,],[$Net Income,$$,,],[$Stockholders$\text{'}$ Equity,$$,,],[$ROE$,,\%,]]$