Please help with this question. I am studying for a test. I do not understand how to do it

A monopolist has just built a high -speed train network connecting San Francisco and Los Angeles . It's fixed costs have The average total cost per passenger is estimated to be constant and equal to $300 per person , since the train is using The table below shows the monopolist's demand curve Price Quantity ( in 100 ) $8 27 DO $6 200 $5 300 $4 400 $3 500$4 400 $3 500 $2 600 $1 700 $0 800 If the company were to prot maximize, what price should it charge its customers