Grunewald Industries sells on terms of 2 10, net 40. Gross sales last year were $4,562,500 and accounts receivable averaged $437,500. Half of Grunewalds customers paid on the 10th day and took discounts. What are the nominal and effective costs of trade credit to Grunewalds nondiscount customers? (Hint: Calculate daily sales based on a 365-day year, calculate the average receivables for discount customers, and then find the DSO for the nondiscount customers.)