Fundamentals of Selling 13th Edition by Charles Futrell

Exercise 8

Afavorite customer of yours, Dick Sargent, has been having trouble lately paying his bills. Dick owns a small manufacturing plant. He employs six people. Bad economic conditions in his area severely hurt Dick's small business. Thus, sales for this account have dropped 60 percent.
Last week, you arranged for him to buy a six-month supply of plastic pipe he uses to manufacture his best-selling product. Due to the quantity purchased, your company's credit manager said he could pay for it in equal payments over the next four months.
Today, Dick calls you to thank you for the extended credit and for the extra $100 discount. You realize there has been a billing error on his $15,000 order.
What would be the most ethical action to take
Tell Dick that there has been an error but that you will keep it quiet if he does. Let Dick decide if he is comfortable with that.