{"id":"proc-rebid-vs-renew-payback-and-flags","audience":"procurement","category":"operations-work","track":"operations","technique":"verification","level":"advanced","title":"Estimate payback for a rebid and flag what is only an estimate","free":false,"task":"Write a prompt for plain text with exactly five lines: \"Savings per year:\", \"Payback:\", \"Three-year net:\", \"Flag:\" and \"Decision owner:\". Show the math on the first three. Payback is switching cost divided by yearly savings, in years with one decimal. The Flag line must say the savings come from a survey, not quotes, and mention the incumbent's performance. Do not recommend rebidding or renewing. Under 100 words.","materialLabel":"Your material (attached to your prompt automatically)","material":"RENEW VS REBID - industrial cleaning services (incumbent: Brightway)\n\nCurrent annual spend: $120,000.\nA trade survey published last month suggests market prices for this service are about 7% lower. It is a survey of regional averages, not quotes from vendors.\nIf we rebid and switch vendors, one-time switching cost: $9,000 (setup, site training, parallel running).\nNew contract term if we rebid: 3 years.\nIncumbent performance: on-time 97%, no safety incidents, 2 minor quality complaints in 12 months.\n\nA buyer wrote: \"Market is 7% lower, so we obviously rebid and save $16,200.\" The procurement director decides between renewing and rebidding.","rules":[{"type":"plainText"},{"type":"maxWords","max":100}],"promptHints":[{"label":"Quotes the five labels","patterns":["savings per year:","payback:","three-year net:","flag:","decision owner:"]},{"label":"Shows the math","patterns":["show","x 7%","9,000 /"]},{"label":"Flags the survey","patterns":["survey","not quotes"]},{"label":"Rules out a recommendation","patterns":["do not recommend","procurement director"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown","no formatting","no headings"]}],"mistakes":[{"title":"Presenting savings as certain","why":"The AI says the company will save $16,200.","fix":"Say: \"Flag that the 7% comes from a survey, not quotes.\"","checks":["r2"]},{"title":"Ignoring the switching cost","why":"The AI reports 3 x 8,400 as the net.","fix":"Say: \"Three-year net = 3 x yearly savings minus 9,000.\"","checks":["r1"]},{"title":"Recommending","why":"The AI says to rebid.","fix":"Say: \"Do not recommend rebidding or renewing.\"","checks":["r2"]},{"title":"Wrong lines","why":"The AI writes a pros and cons list.","fix":"Quote the five labels.","checks":["r0"]},{"title":"Markdown extras and long output","why":"AI adds bold, headings and bullets by default, which show up as stray symbols where this is pasted.","fix":"Say \"plain text, no bold, no headings\" and cap each line, for example \"each line under 15 words\".","checks":["plainText","maxWords"]}],"hint":"Give each formula, name the caveats the flag must include and rule out a recommendation.","mission":"Estimate the payback of rebidding, flagging weak estimates.","musts":["Payback in years, one decimal","Savings are survey-based","No rebid or renew advice"],"rubricLabels":["There are five lines starting Savings per year:, Payback:, Three-year net:, Flag: and Decision owner: in that order","Savings per year shows 120,000 x 7% = 8,400, Payback shows 9,000 / 8,400 = 1.1 years, and Three-year net shows 3 x 8,400 - 9,000 = 16,200","Flag says the 7% comes from a survey not quotes and the savings could be lower, mentions the incumbent's 97% on-time performance, Decision owner is the procurement director, and nothing recommends rebidding or renewing"]}