Visamachine.com/cash-discount-program/ 

With the help of a money discount program, vendors would be able to remove 100 percent of their handling costs by the enhancement of customer care cost on all sales, as well as using cash discount program to consumers that pay with cash. There is need for consumers to show a notice (consumer rates) to inform their customers regarding the customer support fee that is charged on all transactions- keyword being “all”. For more details look at this website: https://visamachine.com/cash-discount-program/