coding must be done in c#

Question 4 (9 marks) a) (2 marks) Draw the binary heap that is represented by the following array A 10 40 20 5070603080 4 b) (4 marks) Using the BuildHeap method, rebuild A where higher values have higher priority c) (3 marks) Consider the (partial) definition of the generic class PriorityQueue implemented as a binary heap. Briefly describe the purpose of the method Mystery class PriorityQueue where T : IComparable private T[ A; private int cont private int capacity; the capacity of A // the number of items in A public void Mystery (int i)\ if (count> 0) A[i- A[count]; count count 1; PercolateUp(i); PercolateDown(i);I/ from position i // from position i Question 4 (9 marks) a) (2 marks) Draw the binary heap that is represented by the following array A 10 40 20 5070603080 4 b) (4 marks) Using the BuildHeap method, rebuild A where higher values have higher priority c) (3 marks) Consider the (partial) definition of the generic class PriorityQueue implemented as a binary heap. Briefly describe the purpose of the method Mystery class PriorityQueue where T : IComparable private T[ A; private int cont private int capacity; the capacity of A // the number of items in A public void Mystery (int i)\ if (count> 0) A[i- A[count]; count count 1; PercolateUp(i); PercolateDown(i);I/ from position i // from position