How much does the hearing aid industry pay now? The requirements are high?

Hearing aid industry is now also very good, the requirements are very high, I do not know what you want to do, yesterday this industry is also a lot of your ability to which aspect is the strongest, if the sales you sell more, earn money is very good, a lot of, I do not know which of your specialties is also not good to say how the income. Income is not the same, everyone contributes to the ability to earn more is not the same.