Isabel invested in four-stock portfolio; she invested 20 percent of her money in Stock A, 30 percent of her money in Stock B, 25 percent of her money in Stock C, and 25 percent of her money in Stock D. The betas for Stock A, B, C, and D are 0.4, 1.2, 2.5, and 1.75, respectively, and their expected returns are 12 percent, 24 percent, 30 percent, and 28 percent, respectively. What is the beta of Isabel's portfolio

Computing depreciation, net book value, and gain or loss on asset sale lynch company owns and operates a delivery van that originally cost $46,400. lynch has recorded straight-line depreciation on the van for four years, calculated assuming a $5,000 expected salvage value at the end of its estimated six-year useful life. depreciation was last recorded at the end of the fourth year, at which time lynch disposes of this van. compute the net bookvalue of the van on the disposal date.

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Hundreds of a bank's customers have called the customer service call center to complain that they are receiving text messages on their phone telling them to access a website and enter personal information to resolve an issue with their account. what action should the bank take?