Answer:
start at the top of the command structure
Step-by-step explanation:
Based on the scenario being described it can be said that the best solution to this would most likely be to start at the top of the command structure. This would allow you to go down the chain of command in order to find and stop the communication problem at the source. Which in doing so you will fix the problem completely, since the rest of the employees will begin to receive the correct information regarding the products.