needs steps to solve this on a finance calculator

Check my work 4 TB MC Qu. 14-56 Fashion Wear has bonds outstanding that mature.... Fashion Wear has bonds outstanding that mature in tl years, pay interest annually and have a coupon rate of 6.45 percent. These bonds have a face value of $1.000 and a current market price of $994. What is the company's attertex cost of debt if its tax roto is 21 percent? Multiple Choice 4.86 porcent 428 percent 5.16 percent 521 percent w