curl --request GET \
  --url https://api.example.com/v1/crm/metrics/earning/general/

{
  "buy_price_sum": "<string>",
  "buy_price_avg": "<string>",
  "prediction_sum": "<string>",
  "prediction_avg": "<string>",
  "earning_sum": "<string>",
  "earning_avg": "<string>",
  "statement_expense_sum": "<string>",
  "statement_profit_sum": "<string>",
  "overdue_sum": "<string>",
  "overdue_avg": "<string>",
  "payback_duration": "<string>",
  "inventory_cnt": 123
}