In the Putahe Manufacturing Company, at an activity level of 90,000 machine hours, total coverhead costs were $251,600,0 thes amount, utilities were $57,600 (all variable) and depreciation was $61,000 (all foed). The balance of the coverhead cost consisted of maintenance cost (mixed). M 110,000 machine hours, maintenance costs were $148,000. Assurne that all of the actwity levels mentioned in this problern are within the televan range. Do not enter dollar signs or commas in the input boxes. Round all answers to 2 decimal places. a) The variable cost for maintenance per machine hour is: Maintenance cost for 90000 hours $ Variable cost for maintenance per machine hour $ b) The total fixed overhead cost for Putahe Manufacturing is: Depreciation $ Foed maintenance cost; $ Iotal fored overhead: a) The variable cost for maintenance per machine hour is. Maintenance cost for 90,000 hours $ Variable cost for maintenance per machine hour? b) The total fixed overhead cost for Putahe Manufacturing is: Depreciation: $ Fixed maintenance cost: $ Total fixed overhead: c) If 120,000 machine hours of activity are projected for the next period, total expected overhead cost would be: Utilities cost: $ Maintenance costs (variable): 5 Total fixed overhead: Total costs