Q: I want to create a new user with different login id and password. I also want to control so that this user not allow to see some of the information like inventory cost and etc. How can i do this?

A: There are 2 steps involve 
1. Create a new User Group and set the accessibility (Can access to which module)
2. Create a new User and assign the newly created user group to this user.

To understand better, please refer to video below