Beaty inc. purchased dunbar co. and agreed to give stockholders of dunbar co. 10,000 additional shares in 2020 if dunbar co.’s net income in 2019 is $500,000; in 2018 dunbar co.’s net income is $520,000. beaty inc. has net income for 2018 of $450,000 and has an average number of common shares outstanding for 2018 of 100,000 shares. what should beaty report as diluted earnings per share for 2018?

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?