Please share spreadsheet file and formulae too.

Historical data indicate that a student's income for any month of school from work, parents, scholarships, and loans is consistent with the following probability distribution Expenses for the same student are believed to be consistent with the following probability distribution: Assuming the student begins the school year with a balance of $1200, use Excel to simulate 12 months of activity and to predict the position of the student at the end of the year. Please explain your results