Davidson Electronics has the following: Units Unit Cost Inventory, Jan. 1 5,000 $ 8 Purchase, April 2 15,000 10 Purchase, Aug. 28 20,000 12 If Davidson has 7,000 units on hand at December 31, how much is ending inventory under FIFO in a periodic inventory system?

In which of the following games is it clearly the case that the cooperative outcome of the game is good for the two players and bad for society? a. two oil companies own adjacent oil fields over a common pool of oil, and each company decides whether to drill one well or two wells.b. two airlines dominate air travel between city a and city b, and each airline decides whether to charge a "high" airfare or a "low" airfare on flights between those two cities.c. two superpowers decide whether to build new weapons or to disarm.d. in all of the above cases, the cooperative outcome of the game is good for the two players and bad for society