What is the tanwīn rule in «عَمَدٍ مُمَدَّدَةٍ»?

Al-Māʿūn and Al-Humazah: Applied Assimilation, Concealment, Madd and Hāʾ Rules

• Assimilation into lām without ghunnah
• Iqlāb before bāʾ
• Throat iẓhār before hamzah
• Assimilation into mīm with ghunnah