Yes, i totally agree with this statement. A seller and a customer needs and wants Outcome  and its happened when both agree in one point and that is product(sell or purchase). A seller wants to sell the product to Increase Their financial goals  and customer purchase the product for their need where they full fill their satisfaction. And this all  things happened in a society and by some people which we called employees.So its not a single person or single company goal its just a function where customer and seller both involved.