Dino Consistently Shops for His Clothes Through Catalogues and Always

Dino consistently shops for his clothes through catalogues and always finds the ideal fit because he orders two of the same product in different sizes and returns the item that does not fit. He has been doing this for free for years, but recently he noticed he was being charged for the many returns. Which of the following best describes what the catalogue retailer is doing?

A) Cutting back on mail outs
B) Getting the lead out
C) Soliciting feedback
D) Cutting off services
E) Increasing their costs