Method: PREPARE_WHATIF_SCENARIO
Method: CONVERT_ORIGINAL_AMOUNT
Method: PREPARE_OVERVIEW_BUDGET
Method: CONVERT_CO_TO_EXTERNAL
Method: CREATE_NEW_SCEN_HEADER
Method: CONVERT_TO_EXTERNAL
Method: PREPARE_SAVE
Method: GET_PROJ_ANNUAL_BUDGET
Method: PREPARE_TO_SAVE
Method: CONVERT_CO_TO_INTERNAL
Method: DISPLAY_BUDGET