2 Columns sum

Hello,

i have 2 columns ( "price" & "info") and I have to write a FormCalc Script. It has to build a sum of all rows of column ("price") if the rows of column ("info") are unlike "i".

if ( AusgabeAktMonat.DATA.LT_DETBL_MLIF.DATA.INFO ne "i" ) then

sum(AusgabeAktMonat.DATA.LT_DETBL_MLIF[*].DATA[*].PRICE[*])

endif

Thanks!