How to use case in select statement in SQL Server

 Hi,
   Here i have written a code for Selecting the records from T_CUST_DETAILS Table with CutomerName, Price, CustomerLocation as
Column names, I am using the case for Price Tag as logic written below.

Query

  SELECT
      CutomerName,                                             
           case
              When(Price<50)
                 then
                   'Normal Customer'
              else
                   'Valuable Customer'
           end ,

      CustomerLocation from T_CUST_DETAILS