Best Buy reported the following numbers (in millions) for the years ending February 1, 2020, and January 30, 2021. Net income Dividends 2020 Total assets Total equity $ 15,591 3,479 2021 $ 1,798 568 19,067 4,587 a. What are the internal and sustainable growth rates? Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. b. What are the internal and sustainable growth rates using ROE x b and ROA x b and the end of period equity (assets)? Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. c. What are the growth rates if you use the beginning of period equity (assets) in this equation? Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. a. Internal growth rate Sustainable growth rate b. Internal growth rate % % % Sustainable growth rate % c. Internal growth rate % Sustainable growth rate %