{"id":"acct-shared-rent-allocation-table","audience":"accounting","category":"finance-work","track":"finance","technique":"grounding","level":"advanced","title":"Allocate shared rent by headcount using the right roster","free":false,"task":"You're allocating October's shared rent to departments. Write a prompt for a markdown table with columns Department | Heads | Share | Allocation, one row per department, then a line starting \"Check:\" showing the allocations add to the rent. Use headcount as of month end, as the policy says, and the latest roster only. No commentary. Under 100 words. No bullets.","materialLabel":"Allocation policy and two headcount lists (attached to your prompt automatically)","material":"COST ALLOCATION POLICY (rev. 2026)\nShared office rent is allocated each month to departments in proportion to headcount at the last day of the month. Contractors are not counted.\n\nOctober 2026 rent: $12,000.00\n\nHeadcount list from HR, dated Sep 30, 2026:\nSales 10 | Operations 6 | Admin 4 | Total 20\n\nHeadcount list from HR, dated Oct 31, 2026:\nSales 9 | Operations 7 | Admin 4 | Total 20\nChanges: one sales rep moved to Operations on Oct 12.\n\nNotes from the Operations manager: we also have 2 contractors on site this month. Admin says they'd prefer to keep the same split as last month to avoid confusion.","rules":[{"type":"maxWords","max":130},{"type":"maxBullets","max":0}],"promptHints":[{"label":"Names the columns","patterns":["department.*heads","columns"]},{"label":"Uses latest roster","patterns":["oct(ober)? 31","latest"]},{"label":"Excludes contractors","patterns":["contractor"]},{"label":"Asks for the check line","patterns":["check:"]},{"label":"Caps output","patterns":["no commentary","only"]}],"mistakes":[{"title":"Using the stale roster","why":"The AI picks the Sep 30 list or last month's split because Admin prefers it.","fix":"Say: \"Use Oct 31 headcount only; ignore last month's split.\"","checks":["r0"]},{"title":"Counting contractors","why":"The AI adds the 2 contractors to Operations.","fix":"Add: \"Do not count contractors.\"","checks":["r0"]},{"title":"No tie-out","why":"The AI never proves the allocations sum to $12,000.","fix":"Add: 'One line starting \"Check:\" showing the sum.'","checks":["r2"]},{"title":"Wrong share math","why":"The AI rounds shares badly.","fix":"Say: \"Allocation = rent x heads / total heads.\"","checks":["r1"]},{"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","maxBullets"]}],"hint":"A policy and two rosters pull in different directions. Name the right roster, the exclusions and the check line.","rubricLabels":["Table has columns Department | Heads | Share | Allocation and uses the Oct 31 heads (Sales 9, Operations 7, Admin 4), not the Sep 30 list or contractors","Allocations are Sales $5,400.00 (45%), Operations $4,200.00 (35%) and Admin $2,400.00 (20%)","Ends with a line starting \"Check:\" showing $5,400 + $4,200 + $2,400 = $12,000"]}