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If a company purchases inventory for $173000 with terms 2/15 n/30 and pays within the discount period, the amount of cash paid is $180500. $169540 $173000 $176460. A company shows the following balances: Sales $1100000 Sales returns and allowances 300000 Cost of goods sold 620000 Operating expenses 75000 What is the gross profit margin? 43.6% 78.6% 56.4% 22.5%