The hiring of labour with fixed factor of production under short run after sometimes leads to increase in cost only. What’s your opinion at what stage of production producer should make addition in...

The hiring of labour with fixed factor of production under short run after
sometimes leads to increase in cost only. What’s your opinion at what stage of
production producer should make addition in labour, identify which concept in economics explains the whole situation, justify your answer why it happens with
the help of table and diagrams