Assume Concord Company has the following reported amounts: Sales revenue $600,000, Sales returns and allowances $20,000, Cost of goods sold $374,100, and Operating expenses $81,000. (a) Compute the net sales. Net sales $ (b) Compute the gross profit. Gross profit $ (c) Compute the income from operations. Income from operations $ (d) Compute the gross profit rate. (Round answer to 1 decimal place, e.g. 25.2%.) Gross profit rate %