Can some help on this one?

E6-11 Suppose this information is available for PepsiCo. Inc. for 2015, 2016, and 2017 2016 2017 in millions) Beginning inventory Ending inventory Cost of goods sold Sales revenue 2015 s 1,926 2,290 18,038 39,474 S 2,290 2,522 20,351 43,251 2,522 2,618 20,099 43,232 Instructions (a) Calculate the inventory tunover for 2015, 2016, and 2017. (Round to one decimal place.) (b) Calculate the days in inventory for 2015, 2016, and 2017, (c) Calculate the gross profit rate for 2015, 2016, and 2017 (d) Comment on any trends observed in your answers to parts (a), (b), and (e)