Budgeted manufacturing overhead rate, allocated manufacturing overhead. Taylor Company uses normal costing. It allocates manufacturing overhead costs using a budgeted rate per machine-hour. The following data are available for 2017: Budgeted manufacturing overhead costs $3,800,000 Budgeted machine-hours 200,000 Actual manufacturing overhead costs $3,660,000 Actual machine-hours 196,000 1. Calculate the budgeted manufacturing overhead rate. 2. Calculate the manufacturing overhead allocated during 2017. 3. Calculate the amount of under- or over-allocated manufacturing overhead. Why do Taylor's managers need to calculate this amount?