1 Purchased merchandise on credit from O'Rourke Fabricators, Invoice 885, $1, 500, terms 3/10, n/B0; freight of $45 prepaid by O'Rourke Fabricators and added to the invoice ( total invoice amount, $1, 545 ) . 9 Paid amount due to O'Rourke Fabricators for the purchase of April 1, less the 3 percent discount, Check 457. 15 Purchased merchandise on credit from Kroll Company, Invoice 145, $1,000, terms 3/10, n/30; freight of $50 prepaid by Kroll and added to the invoice. 17 Returned damaged merchandise purchased on April 15 from Kroll Company; received Credit Memorandum 332 for $100 24 Paid the amount due to Kroll Company for the purchase of April 15, less the return on April 17, taking the 3 percent discount, Check 470.