(1.2) Investigate and inform user of result = 6.0 hrs.
(1.2.1) Analyze the situation = 3.5 hrs.
(1.2.2) Determine how the manual should be updated = 1.5 hrs.
(1.2.3) Confirm determine how the manual should be updated with IBM = 0.5 hrs.
(1.2.4) Confirm the change screen, change point and reason of change with customer = 0.5 hrs.