Coca-cola was first marketed in the 1860s as a patent medicine, designed to offer the energy boost of cocaine without the vices of alcohol. the new beverage was invigorating and popular. today, however, cocaine is not just banned but widely demonized. this is an example of:

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