单项选择题 According to Markowitz’s theory, the points on the efficient frontier represent the portfolios which provide:

单项选择题 Which of the following statements is incorrect about risk budgeting?

单项选择题 At the beginning of last year, Riso Company purchased a production line for $80,000 for making toys, which are their star products. According to previous experience, Riso Company estimated that the production line was able to produce a maximum of 500,000 toys and that the production line could be used for eight years with no residual value. At the end of last year, the company actually produced 30,000 toys. Assume Riso Company uses units-of-production depreciation method to measure its fixed assets, the depreciation expense for the line in the last year was: