Recently my husband and I went together for a haircut.When we paid together I took the total amount and gave 10% of it. I could easily sense that the hairdresser was not very happy and impressed. So I had to walk away wondering how I could have done something different. For me this is the most confusing of all tasks. I always wish they would charge us the total amount inclusive of tips. This is not to imply they charge us more since they are including the gratuity as well. It really should be the...