Alpha Division had the following information: 5500.000 $60,000 Average operating asset base in Alpha Division Operating income in Alpha Division Cost of capital Target return on investment (ROI) Margin for Alpha Division Division's return on investment be? (Note: Round answer to If the asset base is decreased by $120,000, with no other changes, what two decimal places.) Oa 15.79% Ob 12.55% Oc. 10.50% Od. 18.50%