1. Assume an array arr is declared in the main program. What is the values of the variables (first, last, and mid) each time calling binarySearch method in order to find the following keys: (2 marks) int[]arr={10,20,30,40,50,60,70,80,90}; a. key=30 COMP 32//Asigmaicne-1/2023-2024/Second Semester Manal Zakni b. key=70