Four years ago, on January 1, California Creamery bought a new delivery truck for $30,000. The company planned to use the truck for 7 years, and then sell it for $2,000. The company used the truck for 4 years and properly recorded straight-line depreciation each year. At the beginning of the 5th year, a change in emissions standards made the truck illegal in California. The company expects to sell the truck outside of California later this year for $6,000. The company should record a journal entry that includes a(n)

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.