2. Consider the following list: 45, 78, 23, 12, 63, 90, 38, 56, 88, 1!5 Using a sequential search, how many comparisons are required to determine whether the following items are in the list or not? (Recall that comparisons mean item comparisons, not index comparisons.) (1) a. 90 b. 14 C. 45 d. 23 e. 5