(subject name: auditing in accounting)

please give me specific answer

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Question :

As a senior auditor on the E&U accounting firm you are assigned the following tasks:

1) Auditing sales and accounts receivable cycle accounts

2) Auditing expenditures & accounts payable cycle accounts

3) Auditing payroll cycle accounts

for each of audited cycle mentioned above, prepare a plan that describe the following:

A) audit objectives/management assertions to be investigated.

note: as you answer give example