Material Master Enhancements

Hello-

Is it advantageous to enhance and maintain <b>APO relevant fields</b> in <b>R/3 Master data</b> or maintain the fields relevant for <b>APO in APO</b> and <b>do not enhance R/3 Master data</b>?

Other question is

Is there a possible way to transfer <b>Interval of Available capacity</b> and <b>resource hierarchy</b> from R/3 to APO? if yes can somebody please explain as to how? will really appreciate it.

Regards,

SG