With regard to the formal dinner held for the Queen on May 24, 2005, in Edmonton, and the procedure for invitations for such: (a) when were the invitations sent to the invitees; (b) to which individuals were invitations sent; (c) were the whips of the recognized political parties of the House of Commons asked to extend invitations to their Members, and, if so, when were they asked to do so; and (d) do the final calculations for the total cost of the dinner hosted by the Prime Minister include any and all commissions to contracted agencies?