Luther, Inc. manufactures model airplane kits and projects production at 300,420,600, and 800 kits for the next four quarters. (Click the icon to view the manufacturing information.) allocation rate to two decimal places. Round other amounts to the nearest whole number. More info Direct materials are three ounces of plastic per kit and the plastic costs $1 per ounce. Indirect materials are considered insignificant and are not included in the budgeting process. Beginning Raw Materials Inventory is 920 ounces, and the company desires to end each quarter with 30% of the materials needed for the next quarter's production. Luther desires a balance of 210 ounces in Raw Materials Inventory at the end of the fourth quarter. Each kit requires 0.50 hours of direct labor at an average cost of $45 per hour. Manufacturing overhead is allocated using direct labor hours as the allocation base. Variable overhead is $0.30 per kit, and fixed overhead is $135 per quarter