
38 Requirements Engineering for Software and Systems
Situation A: Imagine you were contracted to do some work as a consul-
tant and you agreed to a fee of $5,000 for the work. You complete the
work and the customer is satisfied. But your client pays you $8,000—he
has had a successful year and he wants to share the wealth. How do you
feel?
Situation B: Now reset the clock—imagine the previous situation didn’t
happen yet. Imagine now that you agree to do the same work as before,
but this time for $10,000. You do exactly the same amount of work as
you did in situation A and the customer is satisfied. But now the cus-
tomer indicates that he had ...