1. Write C Program to calculate the tax from salary using the following table. The formula for tax is: tax= (base tax) + (percentage of excess)*(salary min. salary in the salary range). For e.g., if the salary is 32000 , then tax=5400+(22/100)(3200030000)=5400+440=5840. 2. Write a C program that reads the semester no. of a student and print a comment about student based on the table below. Use if-else if-else. 3. Solve the above problem using switch-case