Enable decision makers in different locations to participate in a group decision-making process. a. enterprise management systems b. electronic meeting systems c. geographic information systems d. database management systems

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars

The following cost and inventory data are taken from the accounting records of mason company for the year just completed: costs incurred: direct labor cost $ 90,000 purchases of raw materials $ 134,000 manufacturing overhead $ 205,000 advertising expense $ 45,000 sales salaries $ 101,000 depreciation, office equipment $ 225,000 beginning of the year end of the year inventories: raw materials $ 8,100 $ 10,300 work in process $ 5,900 $ 21,000 finished goods $ 77,000 $ 25,800 required: 1. prepare a schedule of cost of goods manufactured. 2. prepare the cost of goods sold section of mason company’s income statement for the year.