Activity Based Costing differs mainly from normal costing by what key factor:

a.Activity Based Costing uses one predetermined overhead rate while Normal Costing uses multiple

cross out b.Normal Costing uses one predetermined overhead rate while Activity Based Costing uses multiple overhead rates

cross out c.Activity Based Costing uses actual costs to determine the overhead rate while Normal Costing uses budgeted costs

cross out d.Normal Costing uses actual costs to determine the overhead rate while Activity Based Costing uses budgeted costs