Applying principles MS Dynamics NAV J.Skorkovský, PhD.; ESF MU (KPH) Ledger Entries (created by Purchase and Sales Orders, Item Journals, Consumption, Production and Transfers) Item Purchase Quantity = 10 pc Remaining=0 Unit Cost = 1 Cost Amount = 10 Open=Yes EN=100 Comments : EN=Item Entry Number ; Unit Price =2->8*2=16 or 4*2=8; t=time Purchase Quantity = 10 pc Remaining=0 Unit Cost = 2 Cost Amount = 20 Open=Yes EN=101 Sales Quantity = 8 pc Remaining=0 Sales Amount = 16 Cost Amount = 20 Open=No EN=102 Stock value =10 Stock value =30 Purchase Quantity = 10 pc Remaining=2 Unit Cost = 1 Cost Amount = 10 Open=Yes EN=100 Stock value =22 Sales Quantity = 4 pc Remaining=0 Sales Amount = 8 Cost Amount = 20 Open=No EN=103 Purchase Quantity = 10 pc Remaining=0 Unit Cost = 1 Cost Amount = 10 Open=No EN=100 Purchase Quantity = 10 pc Remaining=8 Unit Cost = 2 Cost Amount = 20 Open=Yes EN=101 Stock value =16 t1 t2 t3 t1 t2 t3