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If margin of safety ratio is 50% and sales increased by 45%, operating income will increase by: a. 50% b. 45% * c. 8096 d. None of the choices given. 90% e. Question 5 Incorrect Mark 0.00 out of 1.00 If margin of safety ratio is 50% and sales increased by 45%, operating income will increase by: a. 50% b. 45% C. 80% d. None of the choices given. e. 90% The correct answer is: 90%