Hello I am also having trouble with this one, Please explain

Testcom Corp. has net income of $2 million, an effective tax rate of 35%, interest expense of $400,000, an asset turnover of 2, and $14 million in total assets, of which $7 million is debt. Use the DuPont system to calculate its profit margin, asset turnover, equity multiplier, and return on equity.

profit margin = ??

asset turnover = ??

equity multiplier = ??

return on equity = ??