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The controller of the Stump Company wants you to estimate a cost function from the following two observations in a general ledger account called Maintenance: (Click to view the information.) Required 1. Estimate the cost function for maintenance. 2. Can the constant in the cost function be used as an estimate of fixed maintenance cost per month? Explain. Requirement 1. Estimate the cost function for maintenance. (Round your answers to the nearest cent as needed.) Maintenance costs = Maintenance costs = Requirement 2. Can the constant in the cost function be used as an estimate of fixed maintenance cost per month? Explain. The cost function in requirement 1 is an estimate of how costs behave the relevant range, not at cost levels the relevant range. If there are no months with zero machine-hours represented in the maintenance account, data in that account Information