Formula for Crystal Report Field Alignment

My requirement is to change the alignment of the filed dynamically.

So that I right click the field and select the the Format Field option. Then I select the Horizontal Alignment option

I put the below formula for fulfill my requirement.

IF {VW_RPT_PAYSLIP.ITEM} = '    Interest' THEN
 crJustified
ELSE IF {VW_RPT_PAYSLIP.ITEM} = '    Balance' THEN
 crJustified