Salter Corporation wants to find an equation to estimate some of their monthly operating costs for the operating budget for 2018. The following cost and other data were gathered for 2017: :: (Click the icon to view the cost and other data) Read the requirements Requirements Requirement 1. Which of the preceding costs is Cost Cost function Maintenance 1. Which of the preceding costs is variable? Fixed? Mixed? Explain. 2. Using the high-low method, determine the cost function for each cost. 3. Combine the preceding information to get a monthly operating cost function for the Salter Corporation. 4. Next month, Salter expects to use 440 machine hours, have 65 employees, and ship 9,300 units. Estimate the total operating cost for the month. Health insurance Shipping costs Maintenance Costs Machine Hours Health Number of Insurance Employees $ 8,610 58 Shipping Costs Month Units Shipped 7,070 $ 160 $ 21,917 $ 4,550 4,430 4,615 115 $ 74 $ 8,270 8,610 8,610 25,637 24,614 $ 236 $ 99 $ 7,940 6,480 $ $ 8,610 100 $ 20.088 $ $ 8,610 90 $ 18,228 5,880 $ 4,830 5,140 4,751 4.951 4,932 302 466 282 337 366 $ 8,610 91 January February March April May June July August September October November December $ 28,675 9,250 8,660 $ 8,610 96 $ 26,846 26,195 $ $ 8,610 89 $ 8,450 $ 5,099 416 $ 8,610 102 $ 20,832 6.720 7.150 5,226 483 $ 8,610 105 $ 22,165 $ 5,230 515 $ 8,610 103 $ 5,530 17,143 29,884 $ $ 4,751 284 $ 8,610 98 $ 9,640