Alumbat Corporation Has R800,000 of Debt Outstanding, and It Pays

Alumbat Corporation has R800,000 of debt outstanding, and it pays an interest rate of 10 percent annually on its bank loan.Alumbat's annual sales are R3,200,000; its average tax rate is 40 percent; and its net profit margin on sales is 6 percent.If the company does not maintain a TIE ratio of at least 4 times, its bank will refuse to renew its loan, and bankruptcy will result.What is Alumbat's current TIE ratio?

A) 2.4
B) 3.4
C) 3.6
D) 4.0
E) 5.0