Consider the following method. public static int mystery(ArrayList numList) { if (numList.size() == 0) { return 0; } else { int val numList.remove(0); return val + mystery (numList); } } = Which of the following best describes the value returned by the method? It returns the value of the first element in numList. It returns the value of the last element in numList. It returns the sum of the elements in numList. It returns 0 regardless of the contents of numList. It returns nothing due to infinite recursion