- Inquire and verify PAC by model
- The fluctuation of cost more than 30% may increase the possibility of cost distortion
*PAC = Monthly average. ( Begin Inv Amount + Receiving Amount ) / ( Begin Inv Qty + Receiving Qty )
- Siganl : Red : over 0.5% Yellow : over 0.2% Green : below 0.2%
(Ratio : No. of (±)30% over items / No. of Total Items )