[{_id:"62079dfc71e2b7702c246fc5",city:"Uzbakistan",source:"instagram",price:100000},{_id:"62079e3d71e2b7702c246ffa",city:"Pakistan",source:"telegram",price:12000},{_id:"62079e7571e2b7702c24702c",city:"India",source:"instagram",price:21000},{_id:"6201578e9bb8bd6ec10c5b09",city:"Uzbakistan",source:"twitter",price:18000},{_id:"62020316478928faea9914d8",city:"Pakistan",source:"telegram",price:20000},]

db.collection.aggregate([{"$group":{"_id":{city:"$city",source:"$source"},"totalPrice":{"$sum":"$price"}}},{"$group":{"_id":"$_id.city","sources":{"$push":{_id:"$_id.source",totalPrice:"$totalPrice"}}}}])