The least salary of admn staff in oil services coy like Zetech

Hello house.
Pls, i want to know how much is the least salary being paid to admn staff in oil services coy like Zetech or any oda in naija. Anyone with an idea sud please let me kno. I need it to prepare for an interview with dem on sat. Dis is urgent and ur kind response wi b appreciated. Thanks a bunch.

Btw 120k/250k

That's a Iotta gap between 120-250 †?O? b gvn as Ieast