I hope this makes sense!
I'm using Excel 03

if b2 is 34 or less then d2=250 and if b2 is between 35 to 39 then d2=500
and if b2 is between 40 to 44 then d2=750 and if b2 is between 45-49 then
d2=100 and if b2 =50 then d2=1250

Thanks