If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity
(A) Is trebled
(B) Remains unchanged
(C) Decreases by a factor of 3
(D) Decreases by a factor of 1/3
(A) Is trebled
(B) Remains unchanged
(C) Decreases by a factor of 3
(D) Decreases by a factor of 1/3