Which of the following statements is correct regarding job order and process costing systems? a : a process cost accounting system is appropriate for similar products that are continuously mass produced. b : the perpetual inventory method cannot be used in a job order cost system. c : a job order cost system is most appropriate when a large volume of uniform products are produced. d : all of the choices are correct.

Caleb construction (cc) incurs supervisor salaries expense in the construction of homes. if cc manufactures 100 homes in a year, fixed supervisor salaries will be $400,000. with the current construction supervisors, cc's productive capacity is 150 homes in a year. however, if cc is contracts to build more than 150 homes per year, it will need to hire additional supervisors, which are hired as full-time rather than temporary employees. cc's productive capacity would then become 200 homes per year, and salaries expense would increase to $470,000. how would cc’s salaries expense be properly classified? fixed variable mixed stepped curvilinear