Assume General Motors announced a quarterly profit of $119 million for 4th quarter 2019. Below is a portion of its balance sheet. Conduct a horizontal analysis of the following line items. (Negative answers should be indicated by a minus sign. Round the "percent" answers to the nearest hundredth percent.) 2019 (dollars in millions) 2018 (dollars in millions) Difference % CHG $ Cash and cash equivalents Marketable securities 15,980 $ 9,222 13,642 Inventories 15,499 16,148 14,324 1,278 144,603 Goodwill 0 Total liabilities and equity $ 103,249 $