DE5-10 Intel Corporation, famous for the Pentium processor that powers many personal computers, offers sales discounts to the computer companies to which Intel sells its products. Intel also allows its customers to return defective processors. Suppose that during a recent period. Intel made sales of $600.000 on credit terms of 2/10 net 30. Assume that Intel received sales returns of $12.000. Later, Intel collected cash within the discount period. Cost of goods sold for the period was $255,000 after all sales returns. For this particular period, compute Intel's

a. Net sales revenue

b. Gross profit