Ping and Pong are assigned to perform the audit of Paddle Company. During the audit, it was discovered that the amount of sales reported on Paddle income statement was understated because one week sales transactions were not recorded due to a computer glitch. Ping claims that this problem represents a violation of the management assertion regarding existence, because the reported account balance was not real. Pong argues that the completeness assertion was violated, because relevant data was omitted from the records. Which auditor is correct? Explain your answer