All work must be shown. Accounting assignment, beyond confused and does not understand.

1. The Plast Company began operations several years ago. The company's product requires materials that cost $25 per unit. The company employs a production supervisor whose salary is $2,000 per month. Production line workers are paid $15 per hour to manufacture and assemble the product. The company rents the equipment needed to produce the product at a rental cost of $1,500 per month. The building is depreciated on the straight-line basis at $9,000 per year. The company spends $40,000 per year to market the product. Shipping costs for each unit are $20 per unit. The company plans to liquidate several investments in order to expand production. These investments currently earn a return of $8,000 per year. Required: Complete the answer sheet below by placing an "X" under each heading that identifies the cost involved. The "Xs" can be placed under more than one heading for a single cost, e.g., a cost might be a sunk cost, an overhead cost, and a product cost. Dire Fixe Direct Manufactu Sun Variab ct Peri d Materi ring Opportu k le Lab od Cos als Overhead nity Cost Cos Cost or Cost t Cost Cost t Cost Materials Productio n supervis or salary Productio n line worker wages Equipme nt rental Building deprecia tion Marketin g costs Shipping cost Return on present investme nts 2. The following is Arcadia Corporation's contribution format income statement for last month: Sales $1,200,000 Variable expenses 800,000 Contribution margin 400,000 Fixed expenses Net operating income 300,000 $100,000 The company has no beginning or ending inventories and produced and sold 20,000 units during the month. Required: a. What is the company's contribution margin ratio? b. What is the company's break-even in units? c. If sales increase by 100 units, by how much should net operating income increase? d. How many units would the company have to sell to attain a target profit of $125,000? e. What is the company's margin of safety in dollars? 3. In December, Mccull Corporation sold 2,900 units of its only product. Its total sales were $281,300, its total variable expenses were $130,500, and its total fixed expenses were $122,600. Required: a. Construct the company's contribution format income statement for December. b. Redo the company's contribution format income statement assuming that the company sells 3,100 units. 4. Hassenger has a job-order costing system. The company applies manufacturing overhead to jobs using a predetermined overhead rate based on direct labor cost. The information below has been taken from the cost records of the company for the past year: Direct materials used in production $1,400 Total manufacturing costs $8,000 Applied manufacturing overhead $3,300 Selling & Administrative expense $2,150 Inventories: Work in process, January 1 $730 Work in process, December 31 $650 Finished goods, January 1 $480 Finished goods, December 31 $460 Required: a. Compute the predetermined overhead rate that was used during the year. b. Compute the Cost of Goods Manufactured for the year. c. Compute the unadjusted Cost of Goods Sold for the year. (Do not close any underapplied or overapplied manufacturing overhead to Cost of Goods Sold.)