A company that manages a fleet of delivery vehicles tracks their operational expenses over a four-month period. The table below summarizes their data:
Monthly Operational Expenses (in $ thousands)
Month | Fleet Maintenance | Fuel | Insurance | Driver Salaries |
---|---|---|---|---|
January | 20 | 15 | 10 | 25 |
February | 18 | 20 | 10 | 27 |
March | 22 | 18 | 12 | 30 |
April | 25 | 22 | 11 | 32 |
Based on the table, which of the following statements is true regarding the operational expenses?