Veteran dancers Channa and Upuli Wijewardena, who own the Channa-Upuli Dancing Academy, appeared before the Presidential Commission of Inquiry to Investigate and Inquire into Serious Acts of Fraud, Corruption and Abuse of Power, State Resources and Privileges (PRECIFAC), this morning to record a statement with regard to the probe carried out into the expenditure of the opening ceremony of the Hambantota Harbour.