Solve the maths:

Problem 1 (7 points) Moody Corporation uses a job-order costing system with a plantwide overhead rate based on machine-hours. At the beginning of the year, the company made the following estimates: Machine-hours required to support estimated production 100,000 Fixed manufacturing overhead cost $650,000 Variable manufacturing overhead cost per machine-hour $3.00 Required: 1. Compute the predetermined overhead rate. 2. During the year, Job 400 was started and completed. The following information was available with respect to this job: Direct materials requisitioned $450 Direct labor cost $210 Machine-hours used 40 Compute the total manufacturing cost assigned to Job 400 3. During the year the company worked a total of 146,000 machine-hours on all jobs and incurred actual manufacturing overhead cost of $1,350,000. What is the amount of underapplied or overapplied overhead for the year? If this amount were closed out entirely to Cost of Goods Sold would the journal entry increase or decrease net operating income?Problem 2 (13 points) The following are the production Information for Desk Products' Assembly Department for the month of May: . The company had 3,000 units in beginning WIP inventory which were 65% complete with respect to materials cost and 50% complete with respect to conversion costs. . During May, 4,000 units were started for production. . At the end of the year 2,000 units were completed and transferred out to the Finishing department (100 percent complete with respect to direct materials costs and conversion cost) . 5,000 units were partially completed and remained in ending WIP inventory on May 31 (60 percent complete with respect to direct materials costs, and 30 percent complete with respect to conversion costs). . Costs in beginning WIP inventory were $95,000 in direct materials, $40,000 in direct labor and $26,000 in manufacturing overhead cost. . Costs incurred during May totaled were $115,000 in direct materials, $70,000 in direct labor and $40,000 in manufacturing overhead cost. . The company use Weighted Average method Required: 1. Determine the equivalent units for the Assembly department. 2. Determine the total cost of ending work in process inventory, and the total cost of units transferred to the Finishing department.Problem 3 (10 points) Voltar Company manufactures and sells a specialized cordless telephone for high electromagnetic radiation environments. The company's contribution format income statement for the most recent year is given below: Total Per Unit Percent of Sales Sales (20,000 units) $1,200,000 $60 100% Variable expenses 900,000 45 ?% Contribution margin 300,000 $15 7 % Fixed expenses 240,000 Net operating income ... 60,000 Management is anxious to increase the company's profit and has asked for an analysis of a number of items. Instructions: a. Compute the company's CM ratio. b. The company decided to pay a $15 sales commission per unit sold instead of paying salespersons flat salaries that currently total $16,000 per month, and this will increase their unit sales from 20,000 units to 25,000 units. What will be the profit impact? c. Compute the company's break-even point in both units and sales dollars. d. Assume that sales increase by $400,000 next year. If cost behavior patterns remain unchanged, by how much will the company's net operating income increase? e. Refer to the original data. Assume that next year management wants the company to earn a profit of at least $90,000. How many units will have to be sold to meet this target profit