11. Using the following figure, perform resource-leveling. Assume that each task can be performed independently of the other tasks.

Task 1 (2 workers) Task 2 (1 worker) Task 3 (3 workers) Task 4 (2 workers) Task 5 (1 worker) Task 6 (3 workers) Day 2 3 4 5 6 7 8 9 10 Workers 6 6 6 4 2 3 3 4 3 3