Jack has been asked to write a program to calculate the potential profit in a soft drinks business. The program will store the costs involved in producing and selling one litre of each drink.

Jack adapts the program to ensure that water cost can only be entered as always greater than or equal to £0.10 and less than or equal to £0.50 per litre.

Complete the table below to show four different examples of test data  for water cost  and the type of each example. (3)

Test Data – Type of Test

• 0.05 – exceptional
• 0.45 – normal
• 0.10 – extreme
• 0.50 – extreme

(3 marks)