The answer is b prediction
You should tell your manager because the manager probably knows the person if the person visits the store all the time. Then when the person comes back, you can give her back the money, that is, the manager can do it, and your manager can say that you found it and that you're a good and an honest worker.
The headmistress is like the principal. The supervisor supervises the principal and all other associates staff members. Hope this helps!
