If the annual demand goes up by 20% and the order setup cost goes down by 20%, by how much does the eoq change? if the annual demand goes up by 20% and the order setup cost goes down by 20%, by how much does the eoq change? if the annual demand goes up by 20% and the order setup cost goes down by 20%, by how much does the eoq change? if the annual demand goes up by 20% and the order setup cost goes down by 20%, by how much does the eoq change?