Redirecting you to https://books.google.co.th/books?id=NVgUAAAAQBAJ&pg=PA148&dq=%22As+a+general+rule+of+thumb,+when+bene%EF%AC%81ts+are+not+quanti%EF%AC%81ed+at+all,+assume+there+aren%E2%80%99t+any.%22&hl=en&sa=X&ved=2ahUKEwiLlqSLr9j6AhUroGMGHWYYBP8Q6AF6BAgIEAI#v=onepage&q=%22As%20a%20general%20rule%20of%20thumb%2C%20when%20bene%EF%AC%81ts%20are%20not%20quanti%EF%AC%81ed%20at%20all%2C%20assume%20there%20aren%E2%80%99t%20any.%22&f=false