Under munich, a footwear manufacturer, recently announced that they have just designed a new footwear product which includes the latest technology. this news is totally unexpected and viewed as a major advancement in the footwear industry. which one of the following reactions to this announcement indicates the market for new labs stock is efficient? a. the price of under munich doesn't change, but then it increases one week after the announcement. b. the price of all stocks quickly increase in value and then all but under munich stock fall back to their original values. c. the price of under munich's stock suddenly increases, and then remains at that price. d. the price of under munich's stock increases rapidly, and then settles back to its pre-announcement level.

World systems manufactures an optical switch that it uses in its final product. world systems incurred the following manufacturing costs when it produced 74 comma 000 units last​ year: ​(click the icon to view the manufacturing​ costs.) another company has offered to sell world systems the switch for $ 13.50 per unit. the world systems prepared an outsourcing decision analysis to show the cost per unit of making the switches versus the cost per unit of buying​ (outsourcing) the switches. ​(click the icon to view the outsourcing decision​ analysis.) world systems needs 86 comma 000 optical switches next year​ (assume same relevant​ range). by outsourcing​ them, world systems can use its idle facilities to manufacture another product that will contribute $ 140 comma 000 to operating​ income, but none of the fixed costs will be avoidable. should world systems make or buy the​ switches? show your analysis.