A partial listing of costs incurred during December at Gimwraxx, Inc., appears below: Factory supplies ...... . . . ......" $18,000 Administrative wages & salaries ........ $125,000 Direct materials ... . . ....... . $133,000 Sales staff salaries $58,000 Factory depreciation $42,000 Corporate headquarters building rent.. $36,000 Indirect labor $35,000 Marketing ....... $106,000 Direct labor . . . . . $87,000 19. The total of the period costs listed above for December is: A. $403,000 B. $378,000 C. $325,000 D. $360,000 20. The total of the manufacturing overhead costs listed above for December is: A. $50,000 B. $315,000 C. $228,000 D. $95,00012. Rain City, Inc.'s contribution margin ratio is 55% and its fixed monthly expenses are $40,000. Assuming that the fixed monthly expenses do not change, what is the best estimate of the company's net operating income in a month when sales are $110,000? A. $20,500 B. $70,000 C. $88,000 D. $9,500 13. Spring 2023 Company sells its only product for $12 per unit. Next year, fixed expenses are expected to be $300,000 and variable expenses are expected to be $8 per unit. How many units must the company sell to generate net operating income of $80,000? A. 37,500 units B. 47,500 units C. 95,000 units D. 75,000 units 14. Rainier Enterprises, Inc., sells a product for $10 per unit. The variable expenses are $7 per unit, and the fixed expenses total $25,000 per period. By how much will net operating income change if sales are expected to increase by $50,000? A. $15,000 increase B. $25,000 increase C. $35,000 increase D. $10,000 decreaseProblem 1 (8 points): You, an enterprising accountant at Gimwraxx, Inc., are trying to estimate the fixed and variable portions of a mixed cost (electrical usage) that depends on machine-hours as the cost driver. Using the high-low method, show your calculations and estimates, given the date below: Units ProducMachine-Hours Electrical Cost January......... 2400 95000 February ....... 2360 93000 March ........... 2300 92000 Calculations: VARIABLE COSTING CORTANAUT CIVICONE STATEMENT Variable Cost per Machine-Hour: Fixed Cost per Machine-Hour