Triple Tier Bakery is a locally-owned business offering custom cakes, cupcakes, desserts and wedding cakes. At year end, Triple Tier's balance of Allowance for Uncollectible Accounts is $550 (credit) before adjustment. The Accounts Receivable balance is $22,500. During the next year, Triple Tier estimates that 10% of accounts will be uncollectible. Record the adjustment required for Allowance for Uncollectible Accounts?

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?