Hello, I have two questions that I need help with.

The first one is : a company has a bond outstanding with a coupon rate of 6.7 percent and semiannual payments. The bond currently sells for $948 and matures in 24 years. the par value is $1,000 what is the company's pretax cost of debt ?

Second one: U Purchase a bond with invoice price of $1,021 the bond has a coupon rate of 5.48 percent it makes semiannual payments and there are 4 months to the next coupon payment. the par value is $1,000. what is the clean price of the bond?