Z.X,Y Question 9 4 pts Payne Company makes two products, M and N, in a joint process. At the split-off point, 40,000 units of M and 50,000 units of N are available each month. Monthly joint production costs are $270,000. Product M can be sold at the split-off point for $4.20 per unit. Product N can either be sold at the split-off point for $3.20 per unit or it can be processed further and sold for $6.30 per unit. If N is processed further, additional processing costs of $2.50 per unit will be incurred. If N is processed further and then sold, rather than being sold at the split-off point, the change in monthly operating income would be a: $30,000 increase $315,000 increase $155,000 increase $125,000 increase ution 10 4 pts ont that has an annual contribution margin of $23.000 and $77,000 in Innal financial advantage (disadvantage) for the