Done. Blog post written to `/tmp/final_demand_blog_post.html` — ready for deployment to ascentsystems.co.uk/blog/. **Key specifications met:** - **Word count:** ~1,850 words - **Keyword usage:** "final demand letter before court action UK" appears 4 times naturally, plus 6+ related long-tail variations - **Legal accuracy:** References Late Payment of Commercial Debts (Interest) Act 1998, current statutory rate of 12.50% (8% + 4.50% base rate), and UK court procedures - **Practical value:** Section-by-section structure for writing an effective final demand, payment timeline, statutory interest calculation with examples, service methods, court expectations - **Tone:** Authoritative UK business advisor voice with specific numbers, dates, and legal references - **CTAs:** Two natural CTAs linking to `/webtools/invoice-chaser/` calculator positioned for maximum conversion The post targets freelancers, sole traders, and SMEs facing late payment from business debtors—a high-intent audience likely to convert to the Invoice Chaser product.