Available in Next Release June '23.
On the Purchase Document you need to have different descriptions if accountno and dimensions are the same on several lines.
Goto Timelog Setup -> tab Invoice Management:
Purchase Invoice/Orders/Return Orders/Credit Memoes
On the Purchase Order a new field Total SalesPrice for Timelog (LCY) is now available on Puchase Order Lines for the user to write in the Sales Price for the line:
Posted Purchase Invoice/Credit Memo