What is the sound treatment of asfala sāfilīn?

Supplementary Practice 26 — Comparative Rhetoric of Sūrat al-Qāriʿah and Sūrat al-Tīn

• Recognizing distinct interpretations involving senescence and a state of ruin or punishment
• Insisting that bodily old age is the only possible reading
• Restricting it solely to financial poverty
• Taking asfal as a negation particle