Just Power Brakes

tracking # with ups,1z0555e60344742306 to prove the part was sent back.ordered a part from these people,after 2 weeks I called them 3 times and left a message to cancel the order,this was 6/14/2013, have phone records to prove this.on friday 06/21/13 there part was delivered to my house on monday 06/24/13 I sent there part back unopened.they have had this part back since 06/27/13. I finally got an e-mail from them on july 14 saying to give them the tracking# and Id get a refund.they have had no contact with me since,they wont answer my calls or e-mails.Product_Or_Service: 1979 firebird brake boosterOrder_Number: 987790Desired Settlementrefund my bank for 136.79