> The teacher is the client. The client is the one who will better estimate what is necessary or not. If you work in a consulting company, it is "good practic

> The teacher is the client. The client is the one who will better estimate what is necessary or not. If you work in a consulting company, it is "good practice" to "convince" the client that he needs a lot more features so that you can sell him more man-days. On the other hand, if you get payed a fixed price, incentives are turned around. Incentives matter.