11. [Extension of Sunoco, FIFO vs. LIFO and effect on ratios] In its 2000 annual report, Sunoco reported a carrying value of $381 million for its crude oil and refined products inventories. The LIFO reserve at the 2000 year-end was $873 million Sales and cost of sales data for 1998-2000 follow:

a. Calculate the company's reported gross profit and gross profit margin (%) for 1998 2000.