Suppose that De Beers and the local water utility are both monopolists, in the markets for diamond jewelry and water, respectively. If both monopolies decide to raise prices by 15%, the monopoly that is most likely to see its total revenue decrease is ( A) De Beers or B) the local water utility) because it’s demand is A) unit elastic, B) less price elastic, or C) more price elastic.

Acompany is developing a new high­performance wax for cross country ski racing. in order to justify the price marketingwants, the wax needs to be very fast. specifically, the mean time to finish their standard test course should be less thanseconds for a former olympic champion. to test it, the champion will ski the course 8 times. the champion's times(selected at random) are 59.9 61.9 48.8 52.2 46.6 45.3 50.6 and 41.1 seconds to complete the test course. complete parts a and b below. a) should they market the wax? assume the assumptions and conditions for appropriate hypothesis testing are metfor the sample. assume=0.05. what are the null and alternative hypotheses? choose the correct answer below. b) suppose they decide not to market the wax after the test, but it turns out that the wax really does lower the champion'saverage time to less thanseconds. what kind of error have they made? explain the impact to the company of such anerror.

Your father offers you a choice of $120,000 in 11 years or $48,500 today. use appendix b as an approximate answer, but calculate your final answer using the formula and financial calculator methods. a-1. if money is discounted at 11 percent, what is the present value of the $120,000?

Your debit card is stolen, and you report it to your bank within two business days. how much money can you lose at most? a. $500 b. $25 c. $50 d. $150