Hi,
Try:
FORM test_07 .
DATA: charges TYPE p DECIMALS 2.
charges = '122555.39' .
DATA: output_1 TYPE string .
output_1 = charges .
DATA: output_2 TYPE c LENGTH 15 .
WRITE charges to output_2 LEFT-JUSTIFIED .
BREAK-POINT .
* look at the output fields .
ENDFORM .
Regards.