A quantity of steel in the amount of $521,000.00 is needed for a project, payment due at the project begin date. The steel is expected to be erected in Month 2 and Month 3 with billing at the end of these months and subsequent payment from the owner at the end of Month 3 and Month 4. Assume half the the payment occurs at the end of Month 3 and the other half at the end of Montra 4. Using an annual interest rate of 18%, which is a monthly interest rate of 1.5%, to finance the purchase with a short-term line of credit loan, determine the total interest accumulated for this steel purchase until payment is received