Answer:
Economic order quantity will be 2000
So option (B) will be correct answer
Step-by-step explanation:
We have given order quantity is 1000
Order quantity is given by
, here D is demand, O is order and H is holding cost
So
........equation 1
Now order is doubled and holding cost is halved


From equation 1

So economic order quantity will be 2000
So option (B) will be correct answer