Marlow Company purchased a point of sale system on January 1 for $3,400. This system has a useful life of 10 years and a salvage value of $400. What would be the book value of the asset at the end of the first year of its useful life using the double-declining-balance method

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?