The time to replace vehicle wiper blades at a service center was monitored using a mean and a range chart. six samples of n = 20 observations have been obtained and the sample means and ranges computed:

Salaries are $4,500 per week for five working days and are paid weekly at the end of the day fridays. the end of the month falls on a thursday. the accountant for dayton company made the appropriate accrual adjustment and posted it to the ledger. the balance of salaries payable, as shown on the adjusted trial balance, will be a (assume that there was no beginning balance in the salaries payable account.)