Problem
Complete the following tasks:
a. Design a method that calculates the cost of a painting job for College Student Painters. Variables include whether the job is location "I" for interior, which costs $100, or "E" for exterior, which costs $200. The method should throw an exception if the location code is invalid.
b. Write a method that calls the method designed in. If the method throws an exception, force the price of the job to 0.
c. Write a method that calls the method designed in. If the method throws an exception, require the user to reenter the location code.
d. Write a method that calls the method designed in. If the method throws an exception, force the location code to "E" and the price to $200.