Suppose McDonald's 2022 financial statements contain the following selected data (in millions). Current assets $3,456.0 Interest expense $481.0 Total assets 30,264.0 Income taxes 1,944.0 Current liabilities 3.043.0 Net income 4.559.0 Total liabilities 16,231.0 (21) Compute the following values. a. Working capital. (Round to 1 decimal place, eg. 5,275.5) $ millions b. Current ratio. (Round to 2 decimal places, e.g. 6.25:1.) :1 C. Debt to assets ratio. (Round to decimal places, e.g. 62%.) % d. Times interest earned. (Round to 2 decimal places, eg. 6.25.) times