How much do Everest Sherpas make?

I'm curious, could you elaborate on the income of Everest Sherpas? It's fascinating to learn about the compensation these individuals receive for their grueling and dangerous work guiding climbers up the world's tallest mountain. I'm particularly interested in knowing if their pay varies depending on the season, the number of clients they guide, or any other factors. Additionally, I'm wondering if there are any benefits or incentives provided to them beyond their base salary.