To establish the existence and ownership of a large long-term investment in the common stock of a publicly traded company, the auditors ordinarily perform a security count or: Multiple Choice Determine the market price per share at the balance sheet date from published quotations. Rely on the client’s internal controls if the auditors have reasonable assurance that the control procedures are being applied as prescribed. Confirm the number of shares owned with the issuing company. Confirm the number of shares owned that are held by an independent custodian.