MOLU - MI Nation Media has two divisions which operate autonomously. Their results for the past year were as follows: Mombasa Nairobi Sales $5,000,000 $6,000,000 Contribution margin 2,500,000 3,000,000 Operating income 2,000,000 3,500,000 Investment base (total assets) 6,500,000 7,500,000 The company's desired rate of return is 15%. What are the respective return on investment ratios for the Mombasa and Nairobi divisions? A) 0.31; 0.47 B) 0.38; 0.45 C) 0.77; 1.25 OD) 0.04: 0.58 E) 0.38; 0.40