Staci just used $6,000 of cash plus a $3,000 margin loan to purchase $9,000 worth of stock. This is the only transaction in her brokerage account. According to her account balance sheet, she now has account equity of:

Which of the following statements about the relationship between economic costs and accounting costs is true? multiple choice accounting costs are equal to or greater than economic costs. accounting costs must always equal economic costs. accounting costs are always greater than economic costs. accounting costs are always less than or equal to economic costs.

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.

Who has summer school : ( because i do : (