Performing Optional Salah (Prayer) before or after, Compensatory prayer for them and Salah (prayer) of al-Duha’

1. Al-Husayn ibn Muhammad has narrated from ‘Abd Allah ibn ‘Amir from Ali ibn Mahziyar from al-Husayn ibn Sa‘id from Hammad ibn ‘Isa from Burayd Damrah al-Laythiy from Muhammad ibn Muslim who has said the following: “I once asked abu Ja’far عليه السلام, about a man who becomes busy at noontime; can he perform in the beginning of the day? He (the Imam) said, ’Yes, he can do so if he knows that he becomes busy, thus he can do them all early on.’”