Better Burgers reported the following numbers (in millions) for the years ending February 2014 and 2015. 2014 2015 Net income $ 1,587 Dividends 222 Total assets $ 13,750 12,938 Total equity 6,381 4,664 What are the internal and sustainable growth rates? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Internal growth rate % Sustainable growth rate What are the internal and sustainable growth rates using ROE b and (ROA b) and the end of period equity (assets)? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Internal growth rate % Sustainable growth rate What are the growth rates if you use the beginning of period equity in this equation? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Internal growth rate % Sustainable growth rate