You lose 2k - then gain 2k = zero.

Going nowhere.

 

The purchase order was for an additional 2,000 MobiKEY Fusion devices and 4,000 MobiKEY application software subscriptions covering the service period April 1, 2013 to March 31, 2014. As a result, during the term of the service period Route1 will add an additional 2,000 paid, active subscribers.