Before tax cost of debt Gronseth Drywall Systems, Inc, is in discussions with its investment bankers regarding the issuance of new bonds The investrnent banker has informec the firm that different maturities will carry different coupon rates and sell at different ptices. The firm must choose among several alternatives. 'In each case, the honds will have a $1,000 par value and flotation costs will be $40 per bond. Calculate the before tax cast of financing with the following atemative. (Click on the icon here [ in order to copy the contents of the data table below into a spreadsheet) The before-tax cost of debt is \% (Round to two decimal places.)