How the Purchasing grp is determined in following cases

Coded

Contract excists + inforecord excists + Material Master excists

Contract excists + inforecord not excists + Material Master excists

Contract not excists + inforecord excists + Material Master excists

Contract not excists + inforecord not excists + Material Master excists

Uncoded

Contract not excists + inforecord not excists + Material Master not excists