The normal credit terms offered by MAR Ltd to its customers is payment 60 days from delivery and the issue of an invoice, both of which always occur on the same day. At todays meeting , the directors are considering offering customers a 4% cash discount if they pay in 30 days. The companys bankers, charge MAR Ltd overdraft interest at 3.4% per month. Consider a sales invoice of $3,000. Is the company financially better or worse off by offering this discount, and by how much?