The fees from January to May 2020 are filled according to the actual data. The fees from June to December 2020 are calculated based on the data incurred in 2019 multiplied by a factor of 1.02. Will move to new office in January 2021, form February to April, power supply and air conditioning in comms room still need to be provided, and IT equipment will be moved to the new office during this period, returning the landlord to restore the site from May will incur some electricity charges.