how can i get part B, please

Refer to the following mentioned cata. Net sales Cost of products sold Gross margin (In millions) 2017 2016 2015 $34,611 $30,226 $26, 307 14,183 13,519 13,713 $20,428 $16,707 $12,594 1.42 points eBook Required: a. Calculate the gross profit ratio for each of the past three years. (Round your answers to 2 decimal places.) Print References 2017 2016 2015 59.02% 55 271% 47.87% Type here to search b. Assume that Campbell's net sales for the first four months of 2018 totaled $12.03 billion. Calculate an estimated cost of goods sold and gross profit for the four months, using the gross profit ratio for 2017. (Round intermediate calculations to 2 decimal places. Enter your answers in millions rounded to nearest whole number i.e., 5,000,000 should be entered as 5).) million Cost of goods sold Gross profit million A ENG to search arch