Okabee Enterprises is the distributor for two product, Model a 100 and Model B 900. Monthly sales and the contribution margin ratio for the two product follow

Total	Model B 900	Model A 100
1,000,000$	300,000$	700,000$	Sales
?	70%	60%	C.M ratio

The company fixed expense total 598,500 per month.

Required;

1- Prepare a contribution format income statement for the company as a whole.

2- Compute the breakeven point for the company based on the current sales mix.

3- If sales increase by 50,000 per month, by how much would you expect net operation income to increase? What are your assumption?