In recording the monthly adjusting entry for accrued wages at the end of the accounting period, the amount of the adjustment would usually be determined by:

a percentage of the previous week's gross payroll.

Explanation:

Accrued wages is defined as the amount that is owed to an employee for the amount of hours he/she has worked but was not yet payed to them. According to my research on payroll specifications, I can say that based on the information provided within the question a percentage of the previous week's gross payroll.

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