Holly's Hams, Inc. sells hams during the major holiday seasons. During the current year 10,000 hams were sold resulting in $355,000 of sales revenue, $55,000 of variable costs, and $24,000 of fixed costs. 6) Contribution margin per ham is: A) $5.00 B) $ 30.00 C) $20.00 D) None of these answers are correct. B Explanation: B) ($355,000 - $55,000) / 10,000 hams = $30 per ham

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?