tomho - I clicked your coupon link and it worked just fine, just to verify I logged into my OfficeDepot.com account and added an $84.99 leather chair to my cart then went to check out, here's what it shows:
Item List
Price Our
Price Units Qty Back-
Ordered Cost Remove
1 Global® Prima Leather Series Guest Chair, Black $211.25 $84.99 each 0 $84.99
Item number: 116479
$20 OFF $75 PURCHASE
Offer is valid through 9/1/2002 3:00:00 AM
-$20.00
Subtotal: $64.99
Also you may want to edit your last post and delete that coupon link.