3 pts Wagner Corporation has the following information concerning its 2015 operations Average operating assets... $40.000 Net operating income.......... $4,000 Sales............. $100,000 Minimum rate of return....... 16% Wagner Corporation's margin and turnover for 2015 is: O 16% Margin and 2.5 Turnover 25% Margin and 0.4 Turnover 10% Margin and 1.6 Turnover 4% Margin and 2.5 Turnover