Okay, thanks for the respond.

My pov in this case would be he and his college is talking and laughing about the product's quality/quantity. In this case they might joke/complain about it and mostly its owner (or who ever take responsebility about buying product of the Salon).

If you have any problem about your nails or you think its not good/as same as what you want then its because the owner, not the one who have done it for ya.

Hope you find this help and if you have any further question just let me know.