Total expenditure of my life during 30 years after now

In a class called "Engineering Economy", we learned basic accounting concepts and methods that are also required when engineers(esp. managers) make decision about the projects they are concerned. In a recent homework I calculated total expenditure in our life based on the information I collected and the future plan I estimated. Tough tasks they were...I don't describe details here but the most money-taking items in the estimation are: my tuition for undergrad & graduate schools, land and house including its maintenance fee, child's tuition. Now I, adversely, thank my parents for what they've done to me...