Please answer with the required steps questions 1A and 1B?

Vulcan Company's contribution format income statement for June is as follows Vulcan Company Income Statement For the Month Ended June 3e Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 9ee,eee 400,000 500,008 450,000 $ 50,00ee Management is disappointed with the company's performance and is wondering what can be done to improve profits. By examining sales and cost records, you have determined the following: a. The company is divided into two sales territories-Northern and Southern. The Northern Territory recorded $400,000 in sales and $180,000 in variable expenses during June; the remaining sales and variable expenses were recorded in the Southern Territory. Fixed expenses of $200,000 and $115,000 are traceable to the Northern and Southern Territories, respectively. The rest of the fixed expenses are common to the two territories b. The company is the exclusive distributor for two products-Paks and Tibs. Sales of Paks and Tibs totaled $170,000 and $230,000, respectively, in the Northern territory during June. Variable expenses are 22% of the selling price for Paks and 62% for Tibs. Cost records show that $71,400 of the Northern Territory's fixed expenses are traceable to Paks and $50,600 to Tibs, with the remainder common to the two products