How do I solve 25 across in Daily Telegraph Cryptic 31260?

Question

Accepted Answer

25 across reads "In apartment, something that's charged for rising prices" (9 letters); the answer is INFLATION. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

In apartment, something that's charged for rising prices (9)

25A — In apartment, something that's charged for rising prices (9) — INFLATION