Moon Karak sells tea. The average selling price of a cup is OMR 0.500 and the average variable expense per cup is OMR 0.150. The average fixed expense per month is OMR 500. An average of 3,100 cups are sold each month. Contribution margin ratio for Moon Karak is closest to a. 72.7% O b. None of the answers given O c. 75.0% O d. 70.0% O e. 35.0% O The margin of safety tells managers .a. None of the given answer is correcto .b. how much profit would have to increase to hit target sales c. how much sales could drop before the firm no longer earns profits O .d. how much sales would have to increase to hit the target profit O .e. how much profit would drop if sales decreased O