Q18. Top 10 customers by amount charged.   [10 row(s)]
id    | name             | visits | charged | last_visit | deposit_left
------+------------------+--------+---------+------------+-------------
C0094 | Khadijah Hakim   | 62     | 3079000 | 2026-09-27 | 0
C0056 | Gilang Nasution  | 51     | 3011000 | 2026-09-28 | 0
C0059 | Ayu Suryadi      | 59     | 2895000 | 2026-09-22 | 0
C0081 | Fadli Prakoso    | 56     | 2800000 | 2026-09-11 | 0
C0090 | Farah Wijaya     | 49     | 2450000 | 2026-09-29 | 0
C0164 | Nadia Zulkarnain | 49     | 2448000 | 2026-09-21 | 0
C0111 | Hendro Ramadhan  | 46     | 2217000 | 2026-09-06 | 55000
C0022 | Vania Wirawan    | 41     | 2168000 | 2026-09-26 | 0
C0167 | Evi Syahputra    | 37     | 1917000 | 2026-09-28 | 0
C0079 | Siti Irawan      | 30     | 1744000 | 2026-08-06 | 0
