Price fixing is an agreement (written, verbal, or inferred from conduct) among competitors to raise, lower, maintain, or stabilize prices or price levels. Generally, the antitrust laws require that each company establish prices and other competitive terms on its own, without agreeing with a competitor.
let them tell you https://www.ftc.gov/advice-guidance/competition-guidance/guide-antitrust-laws/dealings-competitors/price-fixing
And yet, they are the ones accusing Amazon of price fixing.
Like I said, go tell them that they got it wrong.