The manager of the danvers-hilton resort hotel stated that the mean guest bill for a weekend is $600 or less. a member of the hotel's accounting staff noticed that the total charges for guest bills have been increasing in recent months. the accountant will use a sample of weekend guest bills to test the manager's claim.
a. which form of the hypotheses should be used to test the manager's claim?

Skychefs, inc. prepares in-flight meals for a number of major airlines. one of the company's products is grilled salmon in dill sauce with baby new potatoes and spring vegetables. during the most recent week, the company prepared 4000 of these meals using 960 direct labor hours. the company paid these direct labor workers a total of $19,200 for this work, or $20.00 per hour. according to standard cost card for this meal, it should require 0.25 direct labour-hours at a cost of $19.75 per hour.1. what is the standard labor-hours allowed (sh) to prepare 4,000 meals? 2. what is the standard labor cost allowed (sh x sr) to prepare 4,000 meals? 3. what is the labor spending variance? 4. what is the labor rate variance and the labor efficiency variance?