Topic: Purpose of actual_cost field in stock_master table
X_stock_master.actual_cost field is used only in line 211 in includes/ui/items_cart.inc:
if ($standard_cost == null)
$this->standard_cost = $item_row["actual_cost"];
else
$this->standard_cost = $standard_cost;
This usage is only as a fallback value. At all other places, only last_cost field in the same table is used .
Where does this field actual_cost get populated from? It is not present in any of the extension files as well.