You purchased $1,000$ WMT $($Walmart$)$ stocks for $$51\mathrm{.}80$ per share three months ago and sold the stocks for $$58\mathrm{.}37$ per share today. You also received a dividend of $$0\mathrm{.}19$ per share.

a$.$ What is your total dollar return for the three months?

b$.$ What are your dividend yield, capital gain yield, and total percentage return for the three months?

c$.$ What is the effective annual return $($EAR$)$ of your investment?