Chapter 1.1, Problem 7QC

Differentiate between “Call by value” and “Call by Reference”.

What type of error occurs when a result of calculation , a value exceeds its predefined range?

Write python code which displays the sales commission based on total sale and the employee’s region, using on the following table. Total Sale Region Commission Under $2,500 East 5% $2,500 or more East 7.5% Under $2,500 West 10% $2,500 or more West 12.5%