,------+-------+--------+----------.
| Task | Start | End    | Duration |
+------+-------+--------+----------+
| 0%   | Day 1 | Day 10 | 10 days  |
+------+-------+--------+----------+
| 20%  | Day 1 | Day 10 | 10 days  |
+------+-------+--------+----------+
| 40%  | Day 1 | Day 10 | 10 days  |
+------+-------+--------+----------+
| 60%  | Day 1 | Day 10 | 10 days  |
+------+-------+--------+----------+
| 80%  | Day 1 | Day 10 | 10 days  |
+------+-------+--------+----------+
| 100% | Day 1 | Day 10 | 10 days  |
`------+-------+--------+----------'