2 part question on Reciprocal method

Memorial Services, Incorporated (MSI) has three service departments (IT, Accounting, and HR) and two production departments (West and East). The usage data for each of the service departments for the previous period follow: The direct costs of the service departments in the previous period were $86,750 for IT, $99,000 for Accounting, and $112,500 for HR. Required: Use the reciprocal method to allocate the service department costs to the production departments. (Matrix algebra is not required) Note: Amounts to be deducted should be indicated by a minus sign. Do not round intermediate calculations. Memorial Services, Incorporated (MSI) has three service departments (IT, Accounting, and HR) and two production departments (West and East). The usage data for each of the service departments for the previous period follow. The direct costs of the service departments in the previous period were $125,910 for IT, $99,400 for Accounting, and $112,900 for HR Required: Use the reciprocal method to allocate the service department costs to the production departments. (Matrix algebra is not required.) Note: Amounts to be deducted should be indicated by a minus sign. Do not round intermediate colculations