Create a perl script named exam.pl that meets the following criteria 1. Constant values to store the maximum value of each component, Component [Total Max Quiz Homework Labs Discussion Exams 2. A function that will take an array of values and return the sum 10 Class Activities 135 150 155 105 180 3. A function that will take two values and return the percentage of the first in relation two the second 4. A function that will take a percentage grade and return the letter grade based on the following rubric: Percentage Letter Grade Percentage Letter Grade 95.0100.0 90.0= 82.5 = 80.0 = 77.5 = 70.0 = 60.0