b) Construct the following decomposition of sparse matrix-vector multiplication to the corresponding task-interaction graph. 0 1 2 3 4 5 6 7 8 9 10 X Xxx X Tasks Task 0 Task 1 Task 2 Task 3 Task 4 Task 5 Task 6 Task 7 Task 8 Task 9 Task 10 X X X X X x x (10 marks)