Tax system
A tax system needs to be updated due to new legislation. For a person with a salary of less than €
20.000 and who is married, the tax needs to be re-calculated. If the person also has more than two
and less than five children, an additional 10% reduction is applicable.
How many cases are required to test the “Tax system” specification using a decision table which is
not collapsed?

A.
2
B.
4
C.
6
D.
8
Explanation:
I choose D
0
0
E. 12
salary: = 20.000
married: married, not married
children: 0-2, 3-4, 5-
1
0