Answer:
1. Asset turnover times. =1.31 times
2. Return on assets. = 7.9% 
3. Return on common stockholders’ equity =10.5% 
Step-by-step explanation:
Asset turnover
Asset turnover indicates how efficient a business in the use of asset to generate sales. The higher the number of times the better.
Asst turnover = Turnover /Total asset
 = 757,500/577,100
 =1.31 times
Return on Asset
Return on asset is measure of the percentage of asset earned as income. The higher the better
 Return on assets = Net income/Assets
 = 45,500/577,100× 100
  = 7.9% 
Return on Equity
This measures the proportion of equity investment earned as net income. The higher the better
Return on Equity = Net income/Equity
Return on commons stockholders 
= 45,500/433,400 × 100
 =10.5%