if condition

hello,

i want to assign a value for a if condition ..

for eg : IF SALES VOL > 60 and SALES_VOL < 99.

THEN CAL Key figure = sales vol = sales * 0.75..

ELSEif sales vol > 100 and sales vol < 199

THEN CAL Key figure = sales vol = sales * 1.

Is this possible IN Bex ..

nimisha