Coronado Corp. reported the following detail for its budgeted MOH costs, broken into three key activities. Budgeted Quantity of Activity Budgeted Cost Cost Driver Material handling $44,000 2,000 material moves Machining 130,000 10,000 machine hours Inspections 45,000 5,000 inspections Total $219,000 (a) Calculate Coronado's plant-wide MOH rate if allocations are based on machine hours. (Round answer to 2 decimal places, e.g. 15.25.) Plant-wide MOH rate $ /machine hour (b) Calculate activity rates for each key activity. Activity rate Material handling $ /material move Machining $ /machine hour Inspections $ /inspection