Calclulated the standard deviation of a portfolio that has 30% invested in stock X and 70% in stock Y given the historical data below:
t Rx Ry
1 1% 5%
2 3% 6%
3 4% 9%

Maldonia has a comparative advantage in the production of , while lamponia has a comparative advantage in the production of . suppose that maldonia and lamponia specialize in the production of the goods in which each has a comparative advantage. after specialization, the two countries can produce a total of million pounds of lemons and million pounds of coffee.

Michigan mattress company is considering the purchase of land and the construction of a new plant. the land, which would be bought immediately (at t = 0), has a cost of $100,000 and the building, which would be erected at the end of the first year (t = 1), would cost $500,000. it is estimated that the firm's afterminustax cash flow will increase by $100,000 starting at the end of the second year, and that this incremental flow would increase at a 10 percent rate annually over the next 10 years. what is the approximate payback period?

Highland company produces a lightweight backpack that is popular with college students. standard variable costs relating to a single backpack are given below