Write the solution of all parts of the given question

Question- Consider a p-channel JEFT (n+p-n+ structure, from top to bottom).

Part 1- Sketch the energy band diagram in the vertical direction at equilibrium and under a gate bias (from the top gate to the bottom gate).

Part 2- What kind of metal-semiconductor contacts (Schottky or Ohmic) does the JFET have?

Part 3- Based on the energy band diagram, explain how the channel conductance can be modulated by the gate voltage.

I want help to draw the energy band diagram.