Waller, Inc., is trying to determine its cost of debt. The firm has a debt issue outstanding with 10 years to maturity that is quoted at 107 percent of face value. The issue makes semiannual payments and has an embedded cost of 9 percent annually.

(a) What is the company's pretax cost of debt?

(b)	If the tax rate is 37 percent, what is the aftertax cost of debt?