3. Which two of the following items could appear on the debit side of the trade payables account? Cash paid to suppliers Irrecoverable debts written off Discounts received from suppliers that we not expected to be taken when the purchase was made Purchases Cash refunds from suppliers 4. The mark-up is 35% when:* O cost of sales is 200,000 and sales are 270,000 O cost of sales is 175,500 and sales are 270,000 O cost of sales is 200,000 and gross profit is 94,500 gross profit is 70,000 and sales are 200,000