The Following Information Is Available from the Balance Sheets at the End

The following information is available from the balance sheets at the end of 2018 and 2017 for Riverside Company:
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$\begin{array}{lrr}& \underline{2018}& \underline{2017}\\\text { Accounts payable } & \$ 80,000 & \$ 40,000 \\\text { Accrued liabilities } & 65,000 & 25,000 \\\text { Taxes payable } & 10,000 & 20,000 \\\text { Short-term notes payable } & 0 & 60,000 \\\text { Bonds payable due within next year } & 200,000 & 200,000\\\text { Total current liabilities } & \underline{ \$ 355,000 }& \underline{\$ 345,000 }\\\text { Bonds payable } & \underline{ \$ 800,000} & \underline{ \$ 300,000} \\\text { Common stock } \$ 5 \text { par } & \$ 1,000,000 & \$ 1,000,000\\ \text { Retained earnings } & \underline{ 695,000}& \underline{55,000} \\ \text { aolders' equity } & \underline{\$ 1,695,000}& \underline{\$1,055,000}\\ \text { Total liabilities and stockhol ders' equity } & \$ 2,850,000 &\$1,700,000\\ \end{array}$
Net income for 2018 and 2017 was $340,000 and $300,000,respectively.Answer the following:
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$$\text { A) Calculate the return on common stockholders' equity ratio for } 2018 \text {. }$$ ?
$$\text { B) What information is provided to users with the cal culation in part } ( A ) \text { ? Explain. }$$ C) What is the difference between the return on stockholders' equity ratio and the return on assets ratio?