Galvatron Metals has a bond outstanding with a coupon rate of 6.4 percent and semiannual payments. The bond currently sells for $1,912 and matures in 16 years. The par value is $2,000 and the company's tax rate is 21 percent. What is the company's aftertax cost of debt? Multiple Choice 3.43% O 4.11% O 4.72% (0) 3.20% O 5.42%