Grundig Technologies Is a Manufacturer

Grundig Technologies is a manufacturer.Below are the company's two most recent balance sheets and its most recent income statement.Use this information to answer the following questions:
a.Calculate the rate of return on assets (ROA)for 2011.Disaggregate ROA into the profit margin for ROA and total assets turnover components.
b.Calculate the rate of return on common stockholders' equity (ROCE)for 2011.Disaggregate ROCE into the profit margin for ROCE,total assets turnover and capital structure leverage components.
c.Did financial leverage work to the advantage of the common shareholders during 2011? Explain.
$\begin{array}{lrr}\text { Gitudig \& echinologies }\\\text {Balance Sheet}\\\text {As of December 31}\\\text { ASSETS } & \mathbf{2 0 1 1} & \mathbf{2 0 1 0} \\\text { Cash } & \$ 69,000 & \$ 22,000 \\\text { Accounts Receivable } & 82,000 & 66,000 \\\text { Supplies } & 15,000 & 19,000 \\\text { Inventories } & 180,000 & 189,000 \\\text { Land } & 75,000 & 110,000 \\\text { Equipment } & 260,000 & 200,000 \\\text { Accumulated Deprec.-EQ. } & (69,000) & (42,000)\\\text { TOTAL ASSETS }& \$ 612,000 & \$ 564,000 \\\\\text { Accounts Payable } & \$ 34,000 & \$ 47,000 \\\text { Unearned Rent } & 15,000 & 19,000 \\\text { Bonds Payable } & 150,000 & 200,000\\\text { Stockholders' Equity }\\\text {Common Stock( \$1 Par Value)}&214,000 & 164,000 \\\text {Retained Earnings}&199,000 & 134,000 \\\text { TOTAL LIABILITIES AND EQUITY }&\$ 612.000 & \$ 564,000 \\\\\text {Grundig Technologies}\\\text {Income Statement}\\\text {For the year ended December 31,2011}\\\\\text { Sales }& \$ 560,000 \\\text { Cost of Goods Sold } & \$ 320,000)\\\text { Gioss Profit }&\$ 240,000\\\\\text { General and Administrative Expense } & (\$ 38,000) \\\text { Selling Expense } & (\$ 27,000) \\\text { Interest Expense } & (\$ 17,000)\\\\\text { Income before Income taxes }&\$ 158,000\\\text { Income Tax Expense (35\%)}&\$ 158,000\\\text { Net Income}&(\$ 55,300)\\\end{array}$