>>> from descompte3 import descompte3
>>> round(descompte3(90, 10), 2)
99.0
>>> round(descompte3(93, 10), 2)
97.3
>>> round(descompte3(80, 25), 2)
100.0
>>> round(descompte3(115, 21), 2)
134.15
>>> round(descompte3(120, 25), 2)
145.0
>>> round(descompte3(223, 16), 2)
238.68