Foreigners are not "required to pay" 10,000RMB but for 14 days, the cost of the hotel room and three meals will be around 10,000 in any case for Chinese or foreigners unless they put you in the cheaper hotel (if there is space)
On a related note, now you won't be quarantined in Beijing: https://www.thebeijinger.com/blog/20...-one-12-cities.