Your client's company wants to determine the relationship between its monthly operating costs and a potential cost driver. The output of regression analysis showed the following information: Intercept Coefficient 75,828 X Variable 1 Coefficient 52.61 R-square 0.9756 Should your client use this information to predict monthly operating costs? A. Yes, because regression analysis can always be relied upon. O B. Yes, because R-square is so high O C. No, because R-square is so high. OD. There is not enough information to make this prediction.

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?