The following selected data pertain to the belt division of Allen Corp. for last year: Sales $500,000 $200,000 Average operating assets $80,000 Net operating income Turnover 2.5 20% Minimum required return How much is the return on investment? Select one: A. 16% B. 40% C. 15% D. 20% The following selected data pertain to the belt division of Allen Corp. for last year: Sales $500,000 $200,000 Average operating assets $80,000 Net operating income Turnover 2.5 20% Minimum required return How much is the return on investment? Select one: A. 16% B. 40% C. 15% D. 20%