Senator Johnston asked the Minister representing the Minister for Defence, upon notice, on 21 March 2011: With reference to the answer provided to Question on Notice No's. 117-119: (1) Who attended the Chief of Navy official end of year reception function on 14 December 2010. (2) What was the cost per head for this function. (3) What was the official purpose of this function. (4) Who approved the expenditure.