What is a common problem in calculating start and finish times? Provide an example.

What will be an ideal response?

To calculate the finish day or date, you add the duration to the start day or date. When you do this, you must be very careful not to add too many days. For example, if a task starts on Day 10 and has a 5 day duration, then the task would finish on Day 14 – not Day 15.