How to maintain sizewise standard price

Dear All,

I have a requirement where i need to maintain sizewise standard price for a material.( SAP AFS 6.0)

Eg: Material A, ( length 8 - @ 2$, Length 9 - @ 3$, Length 10 - @ 4$)

In my present system for grid based materials we dont have sizwise standard price maintained, i need to maintain sizewise standard pricing for a specific material.How do i go about doing this, will there be any configuration changes to my existing system process as well

Highly appreciate a feedback

Thanks & Regards

Shabeen Buhary