SAP ERP Does inventory valuation in single currency. It is desirable for MNCs to be able to do inventory valuation in multiple currencies. Material Ledger allows valuation in two additional currencies. 2. ML offers the option of three different levels of valuations (Legal ,group and Profit centre) for a corporate group operating in multiple countries . Generally legal valuations are stored in local currency, group & profit centre valuations are stored in group currency (mostly in USD). 3. ML combines the advantages of standard price with advantages of using MAP through actual costing (Optional).