3-A3 Division of Mixed Costs into Variable and Fixed Components Martina Fernandez, president of Evert Tool, Co., has asked for information about the cost behaviore manufacturing support costs. Specifically, she wants to know how much support cost is fixed and has much is variable. The following data are the only records available: Find monthly fixed support cost and the variable support cost per machine-hour by the hightle method. Explain how your analysis for requirement 1 would change if new October data were received es machine-hours were 1,700 and support costs were $15,800. A least-squares regression analysis gave the following output: " Regression equation: "Y=$3,355+$6.10 X What recommendations would you give the president based on these analyses