ISooky has a spotter truck with a book value of $51,000 and a remaining useful life of 5 years. At the end of the five years the spotter truck will have a zero salvage value. The market value of the spotter truck is currently $37,500. iSooky can purchase a new spotter truck for $131,000 and receive $32,100 in return for trading in its old spotter truck. The new spotter truck will reduce variable manufacturing costs by $26,100 per year over the five-year life of the new spotter truck. The total increase or decrease in income by replacing the current spotter truck with the new truck (ignoring the time value of money) is:

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