(a)As per Du-Pont equation:
Return on Assets (ROA) = Net profit margin * Total assets turnover
9.8% = 12.25% * total asset turnover
Total asset turnover = 0.098/0.1225 =0.8
Total asset turnover = 0.80
(b) As per Du-Pont equation:
ROE = Net profit margin * total asset turnover 8 * Equity Multiplier
18.25% = 12.25%*0.8* Equity Multiplier
Equity multiplier = 0.1825/(0.1225*0.8) = 1.86
Equity multiplier = 1.86 times