构建支付平台运营仪表板15项核心KPI

solve()

{
  "总账户数": 20,
  "活跃账户数": 19,
  "总交易笔数": 18,
  "成功率": 0.7778,
  "总交易金额": 675300.0,
  "平均单笔金额": 48235.71,
  "渠道数量": 9,
  "最大单笔交易": 500000.0,
  "待处理账单数": 5,
  "逾期账单数": 3,
  "清算批次数": 7,
  "开放差错单数": 2,
  "总手续费": 875.0,
  "备付金余额": 50000000.0,
  "外汇账户数": 2
}