# Question: An online store is offering customers a special offer. A customer can get \$50 cash back when he/s……

Design test cases to cover all boundaries for this system

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An online store is offering customers a special offer. A customer can get \$50 cash back when he/she spend more than \$270, and can get another \$50 cash back when spend more than \$540 Furthermore, the store offers a 10% discount for site members. (cash back is calculated after discount) Suppose we are to test a system which calculate the last price we pay. An input to the system contains two numbers, (X, Y). X is an Integer > 0 represents the total price. Y is a Boolean shows whether the customer a site member. Output Z is a float represents the money you pay. Design test cases to cover all boundaries for this system. Some invalid test cases must also be designed. Note: a test case should contain both input and expected output, i.e., ((X, Y), Z)

The first line is input and second is output

100 1
90
-10 0
invalid input!!

270 0
220

546 1
441.4

567.78 0
517.78

0 0
invalid input!!

0 1
invalid input!!

5400 4
invalid input!!

547.99 1
443.19

269 1
242.1

Hope this helps it covers all the boundary case. Thank you. Please give an upvote if you feel satisfied

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