The following financial information (in US\$ millions) is for two major corporations for the three years ended December 31 : Calculate the inventory turnover, days sales in inventory and gross profit margin for each company for 2019 and 2018 . (Round days sales in inventory to 0 decimal ploces, es. 52 and all other answers to 2 decimal places, es. 52.75. Use 365 days for calculation.)