MSSQL Round up to nearest 50c

Hi All,

i am using MSSQL 2008r2 and am looking for a way to round UP to the 50c.

E.g. if i have a price that is $12.05 i would like it to be $12.50 same applies if i have a price that is $12.55 i would like it to rounded up be $13.00

Any Ideas?

Thanks in Advance.