Consulta SQL con columnas de retorno basadas en agrupación

Por favor, intente con los siguientes códigos. Tienes que usar la consulta PIVOT.

create table TableName (Series varchar(20),col2 varchar(10), price decimal(8,2))

insert into TableName values ('105','C50',30)
insert into TableName values ('105','C50',10)

insert into TableName values ('105','C53',20)
insert into TableName values ('105','C53',30)


SELECT Series,
       [C50],
       [C53]
FROM   (SELECT Series,
               col2,
               price
        FROM   TableName) AS SourceTable 
                   PIVOT ( SUM(price) FOR col2 IN ([C50],
                                                   [C53])
       ) AS PivotTable;