please solce by hand and not with excel

Question 19 0/5 pts Assume that your company has $1,600,000 in debt outstanding, the before-tax cost of debt is 10 percent, sales for the year total $3,500,000 (1,000,000 units sold), variable costs were 60 percent of sales, net income was equal to $600,000, and the company's tax rate was 40 percent. If the company's degree of total leverage is equal to 1.40, then given the information above, determine the firm's dollar fixed costs. $260,000 $250,000 rer $240,000 $300,000 $275,000 See solution Exam 3 #19 Degree of Leverage