{"id":"fpa-vendor-concentration-merged","audience":"fpa","category":"finance-work","track":"finance","technique":"verification","level":"beginner","title":"Total top vendor spend after merging a vendor listed twice","free":false,"task":"You're measuring vendor concentration. Write a prompt for plain text with lines starting \"Top 3 vendors:\", \"Top 3 total:\" and \"Share of spend:\". List each of the top three with its annual spend, add them, and divide by total spend to one decimal. Combine any vendor that appears under two names. Facts only. Under 60 words. No bullets or numbering.","materialLabel":"Annual vendor spend list (attached to your prompt automatically)","material":"ANNUAL VENDOR SPEND - FY26 (AP ledger), Larkin Foods\n\nWexler Equipment: $300,000\nTallis Freight: $180,000\nHalden IT Services: $150,000\nCorbel Packaging: $120,000\nLumen Sheets: $90,000\nHalden Information Tech: $60,000\nAll other vendors combined: $100,000\nTotal vendor spend: $1,000,000\n\nNote: Halden IT Services was acquired and renamed Halden Information Tech in March; AP has two vendor records for the same company. Both are paid to the same bank account.\nNo one has decided whether to consolidate vendors. This is a measurement only.","rules":[{"type":"plainText"},{"type":"maxWords","max":60},{"type":"maxBullets","max":0}],"promptHints":[{"label":"Names the three lines","patterns":["top 3 vendors","top 3 total","share of spend"]},{"label":"Combines the Halden records","patterns":["combine","halden"]},{"label":"Gives the share formula","patterns":["/ \\$1,000,000","total spend"]},{"label":"Bans advice","patterns":["no advice","facts only"]},{"label":"Caps length","patterns":["\\d+\\s*words","plain"]}],"mistakes":[{"title":"Listing Halden twice","why":"The AI ranks Halden IT Services ($150,000) and omits the second record, giving $630,000.","fix":"Add: \"Combine the two Halden records into one vendor.\"","checks":["r0","r1"]},{"title":"Wrong share base","why":"The AI divides by the top vendors only.","fix":"Say: \"Share = top 3 total / $1,000,000 total spend.\"","checks":["r2"]},{"title":"Advising consolidation","why":"The AI recommends consolidating vendors.","fix":"Add: \"Facts only; no advice.\"","checks":["r2"]},{"title":"Markdown extras","why":"The AI adds bold labels, headings and a closing note.","fix":"Say: \"Plain text, no bold. Output only the lines asked for.\"","checks":["plainText","maxBullets"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting and runs past word limits.","fix":"Ask for fewer words than the real cap and keep each line short.","checks":["maxWords"]}],"hint":"One vendor appears twice under two names. Say to combine them, and ask for the three lines.","rubricLabels":["The line starting \"Top 3 vendors:\" lists Wexler Equipment $300,000, Halden $210,000 ($150,000 + $60,000 combined) and Tallis Freight $180,000","The line starting \"Top 3 total:\" shows $300,000 + $210,000 + $180,000 = $690,000","The line starting \"Share of spend:\" shows $690,000 / $1,000,000 = 69.0%, with no advice about consolidating vendors"]}