Smathers Ltd has the following account balances. The net cost of goods purchased for the period is: Purchases $33.000 Sales returns and allowances 4,850 Discount allowed 2,100 Freight-in 2.500 Freight-out 1,750 The net cost of goods purchased for the period is: a. $35,500 O b.$37,850 OC. $34.750. O d. $37,250