While signing out a narcotic for CSP preparation, you discover that the narcotic count does not match the existing balance. You immediately bring the discrepancy to the attention of a more experienced senior technician, who directs you to "erase the existing balance from the perpetual inventory record, and then write in the correct amount so that the numbers match." What is the best course of action? Would you follow a different course of action if a pharmacist had given you the same direction? Why or why not?