A firm has sales of $10, 000,000 in 2018, and operating income of $1,200,000 and net income of $650,000. The firm has total equity at year end 2017 of $4,000,000, total asset of $7,000,000. It also paid out $195,000 dividend in 2018.

1. Calculate its EBIT margin
2. Calculate its net margin
3. Calculate its total asset turnover
4. Calculate its equity multiplier.