true or False

15) The weighted average method of computing equivalent units is the most widely used method in practice. 16) Cost accounting is primarily concerned with accumulating information about product costs. 17) A job order cost system is most appropriate when a large volume of uniform products are produced. 18) A process cost accounting system is appropriate for similar products that are continuously mass produced. 19) A job order cost system identifies costs with a particular job rather than with a set time period. 20) A company may use either a job order cost system or a process cost system, but not both. 21) Accumulating and assigning manufacturing costs are two important activities in a job order cost system. 22) Manufacturing costs are generally incurred in one period and recorded in a subsequent period. 23) The Purchases account is credited for all raw materials purchase returns and allowances. 24) Fringe benefits and payroll taxes associated with factory workers should be accumulated as a part of Factory Labor. 25) Job order cost sheets constitute the subsidiary ledger of the control account Work In Process Inventory. 26) In a job order cost system, each entry to the Work In Process Inventory account should be accompanied by a posting to one or more job cost sheets. 27) Direct materials requisitioned from the storeroom should be charged to the Work In Process Inventory account and the job cost sheets for the individual jobs on which the materials were used