2. (4 pts.) Short questions on heaps. a. Suppose the following array represents the keys stored in a heap: H[1 ... 7] = [5, 10, 13, 19, 21, 30,55). Show what happens to H when an item with key 2 is inserted into the heap. Make sure you write down the new array H. b. Consider a heap with n items whose keys are stored in H[1...n]. Let 1