please help

Here's some info for a company: Coverage ratio 4.0 Total assets $50,000,000 Profit margin= 10% Total liabilities $30,000,000 Sales = $50,000,000 What is the company's return on equity? (Enter answer as a percentage to one decimal with no % sign) A company's stock is currently selling for $50. The expected dividend in one period is $1.50 and the required return is 12%. What is this firm's dividend growth rate assuming constant growth? (Enter answer as a percentage to one decimal with no % sign)