Answer:
flextime.
Step-by-step explanation:
Flextime is a working system where employees are required to perform a certain number of hours (e.g. spend 4 hours at the office from 8 to 12) while the rest of the working hours are flexible. Employees are able to decide where to spend their flextime as long as they achieve their total working hours or work output.
For example, a salesperson is required to spend 5 hours at a store but can decide to visit potential clients afterwards as long as he/she meets the sales quota.