Company A wants to offer debentures. by obtaining the insurance price of the distribution at the par value (par value), which is 1,000 baht The maturity period of the debentures is 3 years. debentures issued Coupons are paid 4 times a year. Interest rate coupon (coupon rate) 5% per year. Debenture issuance cost is 0.8% of the money raised. 20% corporate income tax rate Find the cost of debt of Company A (without taking into account compounding effects)..............% per year