You can get extra cash for your Mac trade-in until April 2

Macworld
Apple on Monday increased the amount you can get when trading in an old Mac while buying a new one. The boosted values are good until April 2 in the U.S., U.K., and Canada.Here are the boosted Mac credit values and the previous ones (U.S./U.K./Canada):
MacBook Pro: Up to $925/£715/CA$1,125 (previously $915/£705/CA$935)MacBook Air: Up to $435/£325/CA$450 (previously $425/£325/$440)MacBook: Up to $140/£100/CA$160 (previously $90/£70/CA$90)iMac: Up to $3