This information is available for PepsiCo, Inc. for 2007, 2008, and 2009. (in millions) 2007 2008 2009 Beginning inventory $1,926 $2,290 $2,522 Ending inventory $2,290 $2,522 $2,618 Cost of goods sold $18,038 $20,351 $20,099 Sales revenue $39,474 $43,251 $43,232 Calculatte the inventory turnover ratio days in inventory, and gross profit rate for PepsiCo., Inc. for 2007, 2008, and 2009. Comment on any trends