Pathetic service at canal walk verimark!

I PURCHASED A VERIMARK MOP ONLINE WITH THE ONE DAY ONLY SITE. UPON RECEIVING IT I WAS UNHAPPY WITH THE PRODUCT YET IT HAS NEVER BEEN USED AS YET.I THEN DECIDED I WILL GO STRAIGHT TO THE VERIMARK SHOP IN CANAL WALK.WHEN WE GOT THE THE SALES LADY REQUESTED A RECEIPT THAT WE WERE UNABLE TO GIVE HER..AS WE PURCHASED IT ONLINE SHE THEN CALLED HER MANAGER AND AREA MANAGER.AREA MANAGER ADVISED IT WAS OK TO SWOP IT FOR THE OTHER MOP HOWEVER WOULD NOT RECIEVE A RECIEPT. WE THEN HAD MORE SHOPPING TO BE DONE AND ASKED THE SALES LADY TO KEEP THE MOP INSTORE WHILE WE DO OUR SHOPPING,SHE WAS HAPPY TO DO SO! UPON OUR RETURN SHE SAID IM SORRY I NEED TO GIVE YOUR MONEY BACK!FIRSTLY DISGUSTING GOING BACK ON YOUR WORD!REPUTATIONAL RISK!SECONDLY THIS IS A VERIMARK PRODUCT I WANT THIS SORTED!IM DISGUSTED!