Group 1 - The article discusses a promotional event by a bank, offering discounts and cash rebates for users of its app during August 2025 [1][8]. - The promotion includes various thresholds for cash rebates, such as a 10 yuan rebate for purchases over 10.01 yuan and a 5 yuan rebate for purchases over 5.01 yuan [8]. - The participating merchants include popular brands like Luckin Coffee and Tmall Supermarket, indicating a broad range of options for consumers [9].