compiere guys..how are things on you?...we start using compiere knowing that each functionality can be implemented at the later time.. right? so we start using invoice( sales order and inventory)... and now trying to implement accounting...now i have problem on costing .. i want to determine the cost of each purchased product using one purchase order, that is,... we order many products in one purchase order.. and enter every  expenses for this purchase order and now we want to determine the cost of each product then... how we can achieve this?
i am waiting...
thanks...