Planned and actual quantity not appearing in PM order under tab COST --sub tab quantity

PM order tab "COST" under the cost tab there is a quantity "TAB", how the values comes under this quantity tab.

I enter component in pm order and enter the qty 50 L in a component tab.

when i see under cost tab i can see only the cost but not the quantity, could anyone help me how to get this qty tab active in pm order.

Thanks in advance