John Box Inc. has an annual interest expense of $30,000 and pays income tax equal to 40 percent of taxable income (EBT). John Box's times-interest-earned (TIE) ratio is 4.2. What is John Box's net income?

A) $96,000

B) $57,000

C) $126,000 D) $57,600

Need Computation and how to plug into calculator