공수마스터 APP
Solve the daily hassle of recording man-hours and confusing tax deductions with Gongsu Master.
[Key Features]
1. One-touch man-hour input (supports various units starting from 0.5 man-hours)
2. Unit price settings for multiple sites and automatic statistics
3. Instant verification of actual payments through automatic calculation of 4 major insurances and income tax
4. 100% offline storage on your device with no privacy concerns
5. Supports monthly settlement history export to Excel (CSV)
bussid 
