A business book explaining how to triple sales through customer discrimination. - Title: Favor Your Customers! - Author: Yasuhisa Takada - Publisher: Chukei Publishing - Price: 1400 yen Thank you for viewing. I am a beginner seller. This is a used book, so there may be some folds, but the condition is generally good. Please refrain from bidding if you are concerned about minor imperfections. m(_ _)m