{"id":"acct-early-pay-discount-lines","audience":"small-business","category":"finance-work","track":"finance","technique":"context","level":"beginner","title":"Work out early-payment discount dates and amounts from the terms","free":false,"task":"You're deciding the order of payments for a small business. Write a prompt for plain text with lines starting \"Discount deadline:\", \"Pay by discount date:\", \"Full amount due:\" and \"Net due date:\", each with the math. Terms are measured from the invoice date, not the date it arrived. Facts only: no advice on whether to take the discount. Under 60 words. No bullets or numbering.","materialLabel":"Invoice and terms (attached to your prompt automatically)","material":"INVOICE 7731 - Coastal Packaging Supply\nInvoice date: Nov 5, 2026\nDate received by us (by mail): Nov 9, 2026\nAmount: $8,000.00\nTerms: 2/10, net 30 - meaning 2% off if paid within 10 days of the invoice date, otherwise the full amount is due within 30 days of the invoice date.\n\nOwner's notes (Joan): \"Cash is a little tight till Nov 20 so I'm thinking of waiting. The invoice only came in on the 9th so I assume my clock starts then.\"\nThe terms printed on the invoice say 'measured from invoice date'.","rules":[{"type":"plainText"},{"type":"maxWords","max":60},{"type":"maxBullets","max":0}],"promptHints":[{"label":"Names the four lines","patterns":["discount deadline","pay by discount date","full amount due","net due date"]},{"label":"Counts from the invoice date","patterns":["invoice date","not the date received"]},{"label":"Shows the discount math","patterns":["2%","160","less"]},{"label":"Bans advice","patterns":["(do not|don'?t).*advis","facts only"]},{"label":"Caps length","patterns":["\\d+\\s*words","plain"]}],"mistakes":[{"title":"Counting from the received date","why":"The AI starts the 10 days on Nov 9 and gets Nov 19.","fix":"Say: \"Count days from the invoice date, not the date received.\"","checks":["r0","r2"]},{"title":"Giving advice","why":"The AI recommends paying early or waiting for cash.","fix":"Add: \"Facts only. Do not advise.\"","checks":["r2"]},{"title":"Missing the discount amount","why":"The AI writes 'save 2%' without the dollars.","fix":"Say: \"Show the discount in dollars.\"","checks":["r1"]},{"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":"Terms start on the invoice date, and a tempting assumption says otherwise. State the clock and ask for four lines.","rubricLabels":["Discount deadline line shows Nov 5 + 10 days = Nov 15, 2026 (counted from the invoice date, not the Nov 9 receipt date)","Pay by discount date line shows $8,000.00 less 2% ($160.00) = $7,840.00","Full amount due line shows $8,000.00 and Net due date line shows Nov 5 + 30 days = Dec 5, 2026, with no advice about whether to take the discount"]}