Remains unchanged if the order quantity doubles but the flow rate remains constant, what happens to the average amount of time a unit spends in inventory? decreases by more than 50%radio button unchecked1 of 5 decreases by 50%radio button unchecked2 of 5 remains unchangedradio button checked3 of 5 increases by 100% or doublesradio button unchecked4 of 5 increases by more than 50%radio button unchecked5 of 5