sales price
    B_RepairJournalOrderLines.ProjSalesPrice =  InventTable::find(B_RepairJournalOrderLines.ItemId).LastUserPrice;
cost price
     B_RepairJournalOrderLines.ProjCostPrice =  InventTableModule::find(B_RepairJournalOrderLines.ItemId,ModuleInventPurchSales::Sales).price()  ;