customer_id,customer_name,city,state,registration_date,total_purchases,customer_tier
C001,Michael Johnson,New York,NY,2022-05-12,5000.00,platinum
C002,Sarah Williams,Los Angeles,CA,2021-11-20,3200.00,gold
C003,Robert Davis,Chicago,IL,2023-02-08,1500.00,silver
C004,Emily Martinez,Houston,TX,2023-07-15,2800.00,gold
C005,David Anderson,Phoenix,AZ,2022-09-30,4100.00,platinum