Help with a 'simple' routine (code)

Hello all,
I know I should be better at writing routines but I just cant seem to get the time to practice!
Please help me with the following.
I have an infoobject ZHE_YRSES that has 2 attribute 0FISCYEAR and ZFSCYR_ED (both of which are going to be 4 digit years)
I also have a I have a cube that includes object ZHE_YRSES and a counter ZUQSTUDT
When the data come into the cube I would like
ZUQSTUDT to equal (ZFSCYR_ED minus  0FISCYEAR ) + 1
Please could you let me know what code I need to put in a transformation for something like this!
I will get better at this I promise!!
The template is  
METHOD compute_ZUQSTUDT.
*   IMPORTING
*     request     type rsrequest
*     datapackid  type rsdatapid
*    EXPORTING
*      RESULT type _ty_s_TG_1-/BIC/ZUQSTUDT
    DATA:
      MONITOR_REC    TYPE rsmonitor.
*$*$ begin of routine - insert your code only below this line        *-*
... "insert your code here
*--  fill table "MONITOR" with values of structure "MONITOR_REC"
*-   to make monitor entries
... "to cancel the update process
*    raise exception type CX_RSROUT_ABORT.
... "to skip a record
*    raise exception type CX_RSROUT_SKIP_RECORD.
... "to clear target fields
*    raise exception type CX_RSROUT_SKIP_VAL.
     RESULT = .
*$*$ end of routine - insert your code only before this line         *-*
  ENDMETHOD.                    "compute_ZUQSTUDT

Hi,
First of all you will have to read the master data and related attributes in start routine, create an internal table of type p table of infoobject ZHE_YRSES and fetch all the reocords.
Start Routine********************
Data: i_t_data type  standard table of /bic/pzhe_yrses.
select zhe_yrses 0fiscyear ZFSCYR_ED from /bic/pzhe_yrses into table i_t_data.
Field Routine****************
Later in field routine you can put following code, take ZHE_YRSES infoobject as input to your field routine,
Inside routine you will have to read the internal table.
Read table i_t_data into wa_data with key zhe_yrses = source_fields-zhe_yrses.
if sy-subrc = 0.
RESULT = wa_data-zfscyr_ed-wa_data-0fiscper+1.
endif.
You will get the required value.
Regards,
Durgesh.

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    FastEthernet3              unassigned      YES unset  up                    do
    FastEthernet4              unassigned      YES unset  up                    do
    FastEthernet5              unassigned      YES unset  up                    do
    FastEthernet6              unassigned      YES unset  up                    do
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    ROM: System Bootstrap, Version 12.3(8r)YH12, RELEASE SOFTWARE (fc1)           
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    10 FastEthernet interfaces                                                    
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    31488K bytes of ATA CompactFlash (Read/Write)                                 
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