Amazon Vendor Central MSRP Pricing Issue

I’ve been selling my body washes on Amazon Vendor Central for a few months now at their regular retail price of $3.29. However, I recently noticed that Amazon has suddenly raised the price to $7.07, and sometimes even $9.88.

These price points are way over the market value, and I’m worried that this could negatively affect my sales.

I thought only vendors could control the selling price and that no one else could change this information. Do they sometimes adjust selling prices by themselves? Has this happened to anyone else? If so, how did you resolve it?

Any advice would be greatly appreciated!