Here is the distribution of two variables (position and gender) in an office with 1800 employees: Men Women Managers? Yes 36 144 180 No 414 1206 1620 450 1350 1800 Some frequencies are defined as follows: A % of employees are managers : B % of managers are women : C % of employees are women: D % of employees are female managers: Determine (A+B) - (C+D) A.7 B.23 C.37 D.107 E.123 F.137 G.187 H.200