At the end of 2014, Croydon Corp. paid US $ 855 million for interest on the debt: to.

a. How much more would this corporation have paid in taxes if it were financed only with its own capital?

b. What would have been the current value of Croydon Corp. interest tax savings if the company planned to permanently maintain its debt at the 2014 level? Assume an interest rate of 6.5% and a tax rate of 40%.