ABC A.. has issued one million bonds with a nominal value of 1,000 TL, with a maturity of 4 years, an interest rate of 30%, principal repayment to be made in equal installments in the last two years. The bonds were sold at a discount of 950 TL. 40 TL per bond during the bond sale. export expense was made. Since the tax rate of the business is 20%, calculate the cost of the bond to the business with the Trial - Error Method.