Why would having a lower opportunity cost for producing one item give you a comparative advantage over another?

Allen's office department manufactures computer desks in its​ moosejaw, saskatchewan, plant. the company uses activity based costing to allocate all manufacturing conversion costs​ (direct labour and manufacturing​ overhead). its activities and related data​ follow: ​(click the icon to view the activity areas and related​ data.) requirements 1. compute the​ per-unit manufacturing product cost of standard desks and unpainted desks. 2. premanufacturing​ activities, such as product​ design, were assigned to the standard desks at $ 5 each and to the unpainted desks at $ 2 each. similar analyses were conducted of postmanufacturing​ activities, such as​ distribution, marketing, and customer service. the postmanufacturing costs were $ 31 per standard and $ 26 per unpainted desk. compute the full product costs per desk. 3. which product costs are reported in the external financial​ statements? which costs are used for management decision​ making? explain the difference. 4. what price should allen's managers set for standard desks to earn a $ 52 profit per​ desk?