Assume that Companys ABC net income for a period is $200 mln, total assets is $900 mln and total equity is $450mln. $120mln were retained from the periods net income. The Sustainable Growth Rate is closest to:

Select one:

a. 19.59%

b. 21.62%

c. 22.15%

Please explain every step. (I am getting 36.35 % but it is not a correct answer according to options given in a b c)