Compute the groes margin percentage using the NRV method to allocate the jinint costs. (Enter a "Co for any cells with a zoro baiasce. Round the percentages to wo decinal diacns. XXXxt. Use parenthoses of a minus sign when entering negative amounts.) of any changes you recomenend. Determine the formula you will use to make your decision. Then enter the amounts for each product and determine he eflect on sperasing noome of the decision. IEnter nogitive iffects with parentheses or a minus sign.) ompute the gross margin percentage using the NRV method to allocate the joint costs, (Enter a "oc for any cells with a zero balance. Round the percentages to two decimal piaces, X. Xx. wrentheses or a minus sign when entering negative amounts.) Requirement 2. Could South have increased its Docember operating income by making different decis ons about the further procesoling of products A B, or D7 Shaw the effect on operating incon of any changes you tecommend. Determine the formula you will use to make your decision. Then anter the amounts for each product and deleemine the effect on operating income of the decision. (Enler negative effecta with paventheses of a minus sign ) Compute the groes margin percentage using the NRV method to allocate the jinint costs. (Enter a "Co for any cells with a zoro baiasce. Round the percentages to wo decinal diacns. XXXxt. Use parenthoses of a minus sign when entering negative amounts.) of any changes you recomenend. Determine the formula you will use to make your decision. Then enter the amounts for each product and determine he eflect on sperasing noome of the decision. IEnter nogitive iffects with parentheses or a minus sign.) ompute the gross margin percentage using the NRV method to allocate the joint costs, (Enter a "oc for any cells with a zero balance. Round the percentages to two decimal piaces, X. Xx. wrentheses or a minus sign when entering negative amounts.) Requirement 2. Could South have increased its Docember operating income by making different decis ons about the further procesoling of products A B, or D7 Shaw the effect on operating incon of any changes you tecommend. Determine the formula you will use to make your decision. Then anter the amounts for each product and deleemine the effect on operating income of the decision. (Enler negative effecta with paventheses of a minus sign )