Rudolfo purchased 900 shares of stock for $62.20 a share and sold them ten months later for $64.60 a share. The initial margin requirement on this stock is 75 percent and the maintenance margin is 40 percent. Ignoring dividends and costs, what is his holding period return?

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