Using the equation for Economic order quantity
(EOQ) = √( 2 S O / C)
where S = 84,100, O = $10 per order, C = $5 per unit. Substituting the given values to the equation, we get :
EOQ =√(2 * 84,100194,400 * 10 / 5) = 580
Therefore, the economic ordering quantity is 580 units