Q9. iterative mystery Consider the function foobar: public int foobar(int[] arr) f int loc = arr . length / 2; for (int k-e; k arr[loc]) { return loc; Which of the following is the best describes the result of calling foobar on a non-empty array? In the possible answers below, loc means the initial value assigned in the first line 1. Returns the index of the first element in array arr whose value is greater than arr[loc] 2. Returns the index of the last element in array arr whose value is greater than arr[loc] 3. Returns the largest value in array arr 4. Returns the index of the largest value in array arr 5. Returns the index of the largest value in the second half of array arr