Hermansen corporation produces large commercial doors for warehouses and other facilities. in the most recent month, the company budgeted production of 5,100 doors. actual production was 5,400 doors. according to standards, each door requires 3.8 machine-hours. the actual machine-hours for the month were 20,880 machine-hours. the standard supplies cost is $7.90 per machine-hour. the actual supplies cost for the month was $152,063. supplies cost is an element of variable manufacturing overhead. the variable overhead efficiency variance for supplies cost is:

multiple choice

$2,844 u

$10,045 u

$2,844 f

$10,045 f

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.

Pam is a low-risk careful driver and fran is a high-risk aggressive driver. to reveal their driver types, an auto-insurance company a. refuses to insure high-risk drivers b. charges a higher premium to owners of newer cars than to owners of older cars c. offers policies that enable drivers to reveal their private information d. uses a pooling equilibrium e. requires drivers to categorize themselves as high-risk or low-risk on the application form

Each row in a database is a set of unique information called a(n) table. record. object. field.