A factory has four departments, Human Resource, Marketing, Sales and Information Technology.

The expenses of all departments are shown in the table given below (in thousands).

What is the total expenditure of Marketing, Sales and Information Technology department of factory over all years? (in thousands)

553

Total expenditure = Expenditure on Marketing + Expenditure on Sales + Expenditure on Information Technology

= [45 + 50 + 40 + 35] + [25 + 30 + 32 + 48] + [80 + 70 + 55 + 43]

= 170 + 135 + 248 = 553