Indicate the general objective $($or objectives$)$ of each of the following audit procedures:

Observe the client$$s physical inventory.

Locate on the client$$s premises a sample of the equipment items listed in the subsidiary plant and equipment ledger.

Obtain a listing of inventory and reconcile the total to the general ledger.

Trace a sample of shipping documents to recorded sales transactions.

Identify related parties.

Vouch selected purchases of securities to brokers$$ advices.