The average national utility price is $270. 48. Over a 6-month period, what is the average utility price in Dallas? How does this compare with the national average? A graph titled Dallas, Texas, has month on the x-axis and average utility price on the y-axis. For April, the cost was 283 dollars; May, 318 dollars; June, 315 dollars; July, 354 dollars; August, 356 dollars; September, 330 dollars. A. $1,956; higher than the national average b. $326; higher than the national average c. $163; lower than the national average d. $333; higher than the national average.

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