A company has $102,000 in outstanding accounts receivable and it uses the allowance method to account for uncollectible accounts. Experience suggests that 6% of outstanding receivables are uncollectible. The current balance (before adjustments) in the allowance for doubtful accounts is a(n) $920 debit. The journal entry to record the adjustment to the allowance account includes a debit to Bad Debts Expense for:

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?