A company has an interest expense of $20,000, net sales of $1 million, a tax rate of 30 percent, and a net profit margin of 6.3 percent. If the company receives an interest income of $10,000, what is the firm's times-interest-earned (TIE) ratio? Show calculations.

A) 1

B) 2

C) 3

D) 4

E) 5

F) None of the above