Conver Char To Curr

DATA : Text_Exam(255) TYPE C,
Text_Out(255) TYPE C,
Curr_Value TYPE P DECIMALS 2.

Text_Exam = ' 150.000'.
Text_Out = Text_Exam.
DO 5 TIMES.
REPLACE '.' WITH ' ' INTO Text_Out.
ENDDO.
CONDENSE Text_Out NO-GAPS.
MOVE Text_Out TO Curr_Value.
WRITE : / Text_Out.
WRITE : / Curr_Value CURRENCY 'USD'.

How to find USER EXIT?

1.Goto--->System--->Status.
2.Double click on Program(Screen) name.
3.And again goto that program attributes Goto---->Attributes.
4.Copy the Package, goto Tcode : SMOD.
5.Press F4 option and give the Package and press Enter.

You will get the exits available.