Company Code based authorization in MDG-C

Dear Experts,

I have below quires for MDG-C/S creation. Please help.

1) Is it possible to give company code data EDIT/ADD/COPY/DELETE Access for Authorized Users for their own company codes and only Display Access for other company codes

2) Can we do setting for their OWN company data DISPLAY/EDIT/ADD/COPY/DELETE Access when they will create customer/supplier?

3) Is it possible to copy other company’s data even when user does not have authorization of editing other company’s data but he has ONLY display Access to other company’s data?

I have seen so many blogs using "Authorization for Entity Types setting" MDGIMG and Auth Obj "USMD_MDAT" but dont see step by step guide to achieve the above issues/setting.

Please help.

Regards,

S.G.