You have just been informed that a purchase order you recentlyr awarded for noncommercial supplies is no longer needed and must be cancelled. The order was accepted in writing by the contractor. Which one of the following statements is true? 

• The purchase order is considered cancelled once the contracting officer verifies the contractor has received the Government's written cancellation.
• The purchase order is considered cancelled if the contractor accepts the Government's written cancellation and does not claim costs were incurred.
• The purchase order must be terminated in accordance I.Irith FAR 12.403 and FAR 52.212—4.
• The purchase order must be terminated in accordance with FAR part 49 or FAR 52.213—4.