All audits should have a well-developed time budget, which is used to determine the audit fee. Suppose your client representative reviewed the time budget and noticed a significant amount of time is being allocated to inventory observation. To reduce audit fees, she proposes a significant reduction in time by offering to provide a representation letter regarding the inventory balance.

1. Please explain the sufficiency of this audit evidence,
2. then please explain the additional information needed to determine how to respond to the client