bonjour
A ( 200) = 19 * 200 = 3 800
A ( 300) = 19 * 300 = 5 700
B ( 100) = 0.1 * 100 = 10
B ( 200 ) = 0.1 * 200 = 20
C ( 100)= 8 + 0.05 *100 = 8 + 5= 13
C ( 300) = 8 + 0.05 *300 = 8 + 15 = 23
tarif C = 8 + 0.05 x fonction affine