[rcme]

$500 * 365 days is 182,500 / year. With a 50% margin, that's only $91,250.

[selectodude]

Average income in China is about $15,000/yr, so $90,000 is pretty damn good.

[rcme]

The comparison was to a software engineer, which earns more than $15,000 in China. And also with a 50% margin, which is extremely generous. Most margins are closer to 10% - 20% in manufacturing.