2. This was Problem 5 in Assign 3. You will add a validation loop to the user entry of the selection levels which are listed as follows: Lower Level 100-$900 Lower Level 200 - $ 850 Upper Level 300-$ 750 d. Upper Level 400-$ 600 a. b. Code this solution in Java and force the user to make one of the listed levels. The switch statement is not affected nor is the display of the results - will remain as defined in Assignment 3