Simple Design and Dynamics Problem Using Simulink-Design of the seat

This is a simple design problem using Simulink. It is suitable for Simulink beginners.

You are a design engineer in an automotive company. You are responsible to design the driver’s seat of the truck. Based on all the requirements and all the previous meetings you had with other teams (the chassis team, powertrain team, …), the last elements you need to design for the system are the damper and the spring of the seat.
Read the requirements and use Simulink to choose an acceptable mass and spring system. Try to save the company some money if possible.