How much can old stereos and computers be sold to the recycling center?

If you have a computer, you'd better go to the computer city to sell it. The price will be higher. Generally, the motherboard is around 20. The price will be higher if it is good. Hard disk 10- 15 yuan, the memory is bad in 5 yuan. The CPU is estimated to be around 20, well, it can still be used in general, the price will be around 200, and the price difference can be around 100.