Apple increases Mac trade-in values in the U.S. for a limited time

Apple on Sunday increased its estimated trade-in values for select Mac models in the United States for a limited time.
Joe Rossignol for MacRumors:‎Apple says the extra trade-in credit for select Macs is available with the purchase of an eligible new Apple device through April 2.
The trade-in values increased by between $10 and $50.
Trade-ins can be completed on Apple’s website or at an Apple Store, and the credit can be applied towards the purchase of a new Apple product, or placed o