Period costs are defined as: selling expenses and direct materials. O conversion costs and prime costs. O selling expenses and administrative expenses. direct materials, direct labor, and manufacturing overhead. The two basic types of cost accounting systems are job order cost and Activity-Based-Costing (ABC) systems. O job order cost and job accumulation systems. job order cost and process cost systems. process cost and Activity-Based-Costing (ABC) systems. The printing of wedding invitations would most likely use which costing system? O job accumulation O job order cost process cost O Activity-Based-Costing (ABC) A job cost sheet O accumulates only the applied or assigned manufacturing overhead costs. O is used in process costing systems. accumulates all product costs associated with one job. O tracks all period costs associated with a job in a job order costing system. Why is it necessary to use a predetermined overhead rate? O A timing issue exists between knowing the actual costs and needing to know the unit product cc managerial decisions, such as product pricing decisions. O Predetermined overhead rates are only used for Activity-Based Costing because cost drivers "dri manufacturing overhead. O We, as accountants, want job security so we try to make things as complicated as possible. O all of the above. Underapplied manufacturing overhead means that the O direct materials costs and direct labor costs are insignificant compared to manufacturing overhead costs. O overhead assigned or applied to work in process is less than the overhead incurred (actuals). O overhead assigned or applied to work in process is more than the overhead incurred (actuals). O overhead assigned or applied to work in process is equal to the overhead incurred (actuals)