. . . Here are some financial information. Sales = $10,000,000 Net income = $900,000. Tax rate = 40%. Operating income = $1,800,000. Total investor-supplied operating capital employed = $9 million. After-tax cost of capital = 10%. What's its earnings before tax? Hint: You need to work from the bottom of income statement up. O a. $1,200,000 ob. $1,500,000 th O c. $9,000,000 O d. $1,000,000