In a standard ISO Homeowners policy, the limits for Coverage B, Coverage C, and Coverage D are expressed as a percentage of which other coverage?

Why this is the answer

On ISO Homeowners forms, Coverage A (Dwelling) is the anchor limit selected by the insured to equal the dwelling's replacement cost. Coverage B (Other Structures), Coverage C (Personal Property), and Coverage D (Loss of Use) are then expressed as default percentages of Coverage A — typically 10%, 50%, and 30% respectively on HO-3 — though insureds may schedule higher dollar amounts. Coverage E (Liability) and Coverage F (Medical Payments) are separately selected dollar limits not tied to Coverage A (ISO HO 00 03 Declarations — Limits of Liability).