Tirri Corporation has provided the following information: Cost per UnitCost per Period Direct materials$7.35 Direct labor$3.55 Variable manufacturing overhead$1.40 Fixed manufacturing overhead $24,100 Sales commissions$1.15 Variable administrative expense$0.70 Fixed selling and administrative expense $8,500 If the selling price is $27.80 per unit, the contribution margin per unit sold is closest to: Multiple Choice $13.65 $6.80 $16.90 $10.60

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