$1,090 each; Warren will incur flotation costs of $20 per bond. The firm is in the 24% tax bracket. a. Find the net proceeds from the sale of the bond, Nd. b. Calculate the before-tax and after-tax costs of debt. a. The net proceeds from the sale of the bond, Nd, is $ (Round to the nearest dollar.) b. The before-tax cost of debt is 'o. (Round to two decimal places.) The after-tax cost of debt is %. (Round to two decimal places.)