Which of the following statements about the basic EOQ model is TRUE? $($Hint: Analyse the corresponding equation and chart$)$

A$.$ If the ordering cost were to double, the EOQ would rise.

B$.$ If annual demand were to double, the EOQ would increase.

C$.$ If the carrying cost were to increase, the EOQ would fall.

D$.$ If annual demand were to double, the number of orders per year would increase.

E$.$ All of the above.