Interest Expenses and Income Taxes

In the United States, corporations (and in some cases, individuals) can deduct interest payments on borrowed money. By allowing taxpayers to deduct interest expenses, the government is effectively reducing the interest rate. To illustrate, consider two nearly identical companies, ABCSoft and XYZ Software. Both have taxable incomes (not including the interest deduction) of $750,000. Assume that ABCSoft doesn't borrow any money. Table 17.1 shows ABCSoft's taxes for the year.

Table 17.1. ABCSoft's Income Taxes
 ABCSoft
Income before interest deduction$750,000
Interest expense$0
Taxable income$750,000
Taxes (effective rate, 34%)$255,000

Assume that XYZ Software averages $350,000 in loans at 11.5% interest over the tax ...

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