Suppose you create an optimal risky portfolio investing 60% into a SP500 ETF, and 40% into a European ETF. This optimal risky portfolio has an expected return of 10.92% and a volatility of 16.64%, and the risk-free rate is 2.31%. With your degree of risk aversion, you compute you should invest 66.6% in the optimal risky portfolio, and the rest in the risk-free rate. In the end, your portfolio will be made of the SP500 ETF, the European ETF, and the risk-free rate. What will be the weight of SP500ETF in your complete portfolio

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