"A new process has been adopted at your university where a student can electronically submit a drop request for a particular class. After the drop request is submitted, the instructor and department head are notified via email. After they approve the drop request, notification is sent to the registrar. What level of change is this?

This level of change is known as AUTOMATE.

Explanation: Automate basically means replacing or enhancing human labor with machines.

This can be seen in the question whereby, little or no human labor is required to submit a drop request for a particular class.

what is the tax base for the sales tax?

it should be (usually ) 6%

answer; reactive is your answer; good luck