Write “Enter the price in dollars:”
Input Price
Write “Enter state sales tax(e.g. .06) :”
Input SalesTax
Set Price = Price + (Price * SalesTax)
Write “Price with Tax is” + Price
Testcase | Input | Expected Output |
1 | Enter the price in dollars = 200Enter state sales tax= 0.24 | Price with Tax is = 248 |
2 | Enter the price in dollars = 200Enter state sales tax = -2.4 | Price with Tax is = “state sales tax should be a positive number” |
3 | Enter the price in dollars = -200Enter state sales tax = 0.24 | Price with Tax is = “price in dollars should be a positive number” |
4 | Enter the price in dollars = 200Enter state sales tax = c | Price with Tax is = “state sales tax should be a positive number” |
5 | Enter the price in dollars = xEnter state sales tax = 0.4 | Price with Tax is = “price in dollars should be a positive number” |
Test case 1
The program output gives the expected result because Enter the price in dollars and state sales tax are integers.
Test case 2
The expected result is not achieved because the program output is wrong since tax must be a positive number.
Test case 3
The expected result is not achieved because the program output is wrong price cannot be negative.
Test case 4
The expected result is not achieved because the program output is wrong since tax must be a positive number.
Test case 5
The expected result is not achieved because the program output is wrong since price must be a positive number.
From the results, it is evident that the psudocaode’s algorithm is invalid because it does not detect negative numbers and non-numbers. Hence, it can not alert the user of invalid input but instead give a wrong output.
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