What is the purpose of Figure 14 in AN55 Application Note 55? I - To show a transformer-based approach to generating LCD bias. II - To demonstrate...

What is the purpose of Figure 14 in AN55 Application Note 55?

I - To show a transformer-based approach to generating LCD bias.
II - To demonstrate a dual output LCD bias voltage generator.
III - To explain how to program LCD bias voltage at the time of manufacture.
IV - To show how to shut down the LCD bias voltage generator.
a) Only I and II are correct.
b) Only I and IV are correct.
c) Only II and III are correct.
d) Only I, II, and IV are correct.