Mr. e, a petroleum engineer, earns an $72,500 annual salary, while mrs. e, a homemaker, has no earned income. under current law, the couple pays 20 percent in state and federal income tax. because of recent tax law changes, the couple’s future tax rate will increase to 28 percent. if mrs. e decides to take a part-time job because of the rate increase, how much income must she earn to maintain the couple’s after-tax disposable income? (round your intermediate calculations and final answer to the nearest whole dollar amount.)

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.

Which of the following is one of the advantages primarily associated with a performance appraisal? (a) it protects employees against discrimination on the basis of race. (b) it motivates employees to work on their shortcomings. (c) it encourages employees to play the role of the whistle-blower. (d) it accurately measures the resources of the firm.

Anita has been named ceo of a popular sports apparel company. as ceo, she is tasked with setting the firm's corporate strategy. which of the following decisions is anita most likely to makea) whether to pursue a differentiation or cost leadership strategy b) which customer segments to target c) how to achieve the highest levels of customer satisfaction d) what range of products the firm should offer