Which of the following statements is false? a. if allowance for doubtful accounts has a debit balance before adjustment an error has been made in recording. b. allowance for doubtful accounts has a normal balance that is a credit. c. when an accounts receivable is written off using the allowance method a company’s current ratio will decrease. d. both a and c are false. e. all of the above statements are false.

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