Organic Soil, Inc. is issuing a new series of bonds. Currently, its has existing bonds quoted at 98. They are $1000 face value, 5% semi-annual coupon bonds maturing in 19 years. Organic Compound will have to pay its investment banker a 2.5% commission upon issuance of the new bonds. What is this firm's cost of debt after accounting for flotation costs? a) 4.17% b) 3.58% c) 5.38% d) 2.69%