Hi Lobna,
Now as per your rule concern that 9060 is the wage type which is maniantined in IT15 or IT14 with amount X and Number Y. 1st you want to add amount of Wt9000 with WT9060 and then afer divide by 30 and after multi by number of WT9060. Finnaly amount will pass the WT9060.
Am i correct? If i am correct then write your pcr like below.
Regards,
Sankarsan