Paparo Corporation has provided the following data from its activity-based costing system: Activity Cost Pool Total Cost Total Activity Assembly $ 872,100 51,000 machine-hours Processing orders $ 77,000 2,000 orders Inspection $ 113,337 1,470 inspection-hours Data concerning the company's product Q79Y appear below: Annual unit production and sales 700 Annual machine-hours 1,170 Annual number of orders 135 Annual inspection hours 40 Direct materials cost $ 46.00 per unit Direct labor cost $ 41.39 per unit According to the activity-based costing system, the average cost of product Q79Y is closest to:

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?