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Solution
Answer to Part a.
Return on Investment = Profit Margin * Assets Turnover Ratio
 12.75 = 3.5 * Assets Turnover Ratio
 Assets Turnover Ratio = 3.64 times
Answer to Part b.
Debt to Total Assets Ratio = 75%
 Equity to Total Assets Ratio = 1 - Debt to Total Assets Ratio
 Equity to Total Assets Ratio = 1 – 0.75 = 0.25 or 25%
Equity Multiplier = 1 / Equity to Total Assets Ratio
 Equity Multiplier = 1 / 0.25
 Equity Multiplier = 4
Return on Equity = Profit Margin * Assets Turnover Ratio * Equity Multiplier
 Return on Equity = 3.5% * 3.64 * 4
 Return on Equity = 50.96%
Answer to Part c.
Debt to Total Assets Ratio = 70%
 Equity to Total Assets Ratio = 1 - Debt to Total Assets Ratio
 Equity to Total Assets Ratio = 1 – 0.70 = 0.30 or 30%
Equity Multiplier = 1 / Equity to Total Assets Ratio
 Equity Multiplier = 1 / 0.30
 Equity Multiplier = 3.33
Return on Equity = Profit Margin * Assets Turnover Ratio * Equity Multiplier
 Return on Equity = 3.5% * 3.64 * 3.33
 Return on Equity = 42.42%

