Find a competitive equilibrium and verify that it is individually rational and Pareto efficient. Is it envy-free? Prove your assertion. b. Alternatively, find a competitive equilibrium from equal division and verify that it is envy-free and Pareto efficient. Is it individually rational (relative to the initial allocation  = ((9,12),(3,6)))? Prove your assertion. c. Are the following net trades from  envy-free? Prove your assertion.

The following cost and inventory data are taken from the accounting records of mason company for the year just completed: costs incurred: direct labor cost $ 90,000 purchases of raw materials $ 134,000 manufacturing overhead $ 205,000 advertising expense $ 45,000 sales salaries $ 101,000 depreciation, office equipment $ 225,000 beginning of the year end of the year inventories: raw materials $ 8,100 $ 10,300 work in process $ 5,900 $ 21,000 finished goods $ 77,000 $ 25,800 required: 1. prepare a schedule of cost of goods manufactured. 2. prepare the cost of goods sold section of mason company’s income statement for the year.