"Calculate Re-order level from the following:
Consumption per week: 100-200 units
Delivery period: 14-28 days"
A. 5600 units
B. 800 units
C. 1400 units
D. 200 units
Answer: Option B

its answer should be 28*200=5600
PLEASE PROVIDE VALID EXPLANATION IT WILL HELPS ME A LOT