two column expression

[Anonymous]

i have this expression

if($(VandL)='Profit',

Fabs(sum({<Flag={'14'},Update_Date={$(vMaxDate)},

[AccCapt]=,[AccCate]=,[AccsubCat]=,[AccDesc]=>}[LBalance]))

,

if($(VandL)='Return',

Fabs(sum({<Flag={'17'},Update_Date={$(vMaxDate)},[AccCap]=,[AccCat]=,[AccSubCat]=,[AccDesc]=>}[LBalance]))

,

if($(VandL)='Net',

(Column(14)-Column(17))

i tried to minus but this not show result what should i do problem is in this

if($(VandL)='Net',

(Column(14)-Column(17))

[ajaysingh285]

Hi Amber, can u please explain your question at high level or at  business level that makes some sense.

[Anil_Babu_Samineni]

What column(14) and column(17) returning?