On June 15, Oakley Inc. sells inventory on account to Sunglass Hut (SH) for $3,500, terms 2/10, n/30. On June 20, SH returns to Oakley inventory that SH had purchased for $800. On June 24, SH completely fulfills its obligation to Oakley by making a cash payment. What is the amount of cash paid by SH to Oakley