A customer's initial backup capacity is 1T, and the average daily data increment is 10GB. The backup strategy is to do a full backup every Monday, and a differential backup every Tuesday to Sunday…

A customer's initial backup capacity is 1T, and the average daily data increment is 10GB. The backup strategy is to do a full backup every Monday, and a differential backup every Tuesday to Sunday. The storage period of full and incremental data is 4 weeks. Without considering deduplication/redundancy ratio/replication, please calculate the required backend capacity should be no less than ().