4) Bid means a response to an Invitation to Bid. (5) Bidder means a Person that submits a Bid in response to an Invitation to Bid. (6) Closing means the date and time announced in a Solicitation Document as the deadline for submitting Offers. (7) Contract means a purchase, lease, rental or other acquisition or sale or other disposal by the Lottery of Goods or Services. (8) Contract Price