To help finance a major expansion, Dimkoff Development Company sold a bond several years ago that now has 20 years to maturity. This bond has a 7% annual coupon, paid quarterly, and it now sells at a price of $1,103.58. The bond cannot be called and has a par value of $1,000. If Dimkoff's tax rate is 40%, what component cost of debt should be used in the WACC calculation? 3.96% 4.11% 3.81% 4.26% 3.66%