Suppose that the market portfolio is equally likely to increase by 24% or decrease by 8%. security "x" goes up on average by 29% when the market goes up and goes down by 11% when the market goes down. security "y" goes down on average by 16% when the market goes up and goes up by 16% when the market goes down. security "z" goes up on average by 4% when the market goes up and goes up by 4% when the market goes down. the expected return on security with a beta of 0.8 is closest to: 3.2% 6.4% 0.0% 7.2%

Costco wholesale corporation operates membership warehouses selling food, appliances, consumer electronics, apparel and other household goods at 471 locations across the u.s. as well as in canada, mexico and puerto rico. as of its fiscal year-end 2005, costco had approximately 21.2 million members. selected fiscal-year information from the company's balance sheets follows. ($ millions). selected balance sheet data 2005 2004 merchandise inventories $4,015 $3,644 deferred membership income (liability) 501 454 (a) during fiscal 2005, costco collected $1,120 cash for membership fees. use the financial statement effectstemplate to record the cash collected for membership fees. (b) in 2005, costco recorded $46,347 million in merchandise costs (that is, cost of goods sold). record thistransaction in the financial statement effects template. (c) determine the value of merchandise that costco purchased during fiscal-year 2005. use the financial statementeffects template to record these merchandise purchases. assume all of costco's purchases are on credit.