What system can tell you which items sell well and which sell poorly?

an inventory-control system

a profit-and-loss system

a refractory system

a cash-flow and profitability system

An inventory control system

Explanation:

when you want to monitor which item sell well and which sell poorly, you need to see inventory control report. In inventory control report you can see every item with beginning and ending inventory. if item is selling well you can see the difference will be greater between beginning and ending.

If an item is selling poorly then the difference between beginning and ending inventory will be less.

i think the answer is a. science center.