31 Rickman, SRL sells two models of their product in Malaysia, the M1A2 model and the M1A1 model. They have supplied the following data: of 10 M1A2 M1A1 Jestion Selling Price $ 45 $83 Expected Unit Sales per month 2,100 10,000 Variable Production costs per unit $15 $21 Variable selling and administrative costs per unit $10 $9 Fixed Expenses are $88,309 per month Rickman's contribution margin ratio for the M1A1 model is to closest to: Select one: OA. 54.15% OB. 44.60% OC. 44.44% OD. 52.32% OE 63.86%