Additional charges that are not part of the main expense but are associated with it.

मुख्य व्यय का हिस्सा नहीं होने वाली लेकिन इससे जुड़ी अतिरिक्त शुल्क।

English Usage: The auxiliary cost of transportation added significantly to the overall expenditure.

Hindi Usage: परिवहन की सहायक लागत ने समग्र खर्च में काफी वृद्धि की।