{"id":"dat-hr-overtime-vs-part-timer","audience":"hr","category":"decisions","technique":"context","title":"Compare overtime cost with hiring a part-timer","free":false,"task":"The warehouse manager wants to know if covering 30 extra hours a week with overtime costs more than hiring a part-timer, over the next 12 weeks. Overtime pays 1.5x; a part-timer costs their wage plus 10% for payroll taxes, plus one-time training. Write exactly 2 numbered lines with the 12-week math, then one unnumbered last line: Cheaper: [option], saves $X. Plain text, under 70 words.","materialLabel":"Cost notes (attached to your prompt automatically)","material":"WAREHOUSE COVERAGE - next 12 weeks (peak season)\n\nGap: 30 hours/week of picking coverage\n\nOption 1: Overtime for current team\n- Current team average base wage: $24/hr\n\nOption 2: Hire a part-timer (30 hrs/week)\n- Posted wage: $22/hr\n- Training: 1 week shadowing, costs about $1,200 in trainer time (one-time)\n- Recruiting fee: $0 (internal referral)\n\nNotes:\n- Team has said they're \"tired of overtime\" in the last pulse survey.\n- Part-timer could stay on after peak if things work out. Not part of this comparison.\n- Overtime last peak caused 3 injury reports; safety team is watching.\n- Manager needs an answer by Friday.\n- Shared with the team in the usual folder.\n- Questions go to me directly.\n- This export was pulled this morning.","rules":[{"type":"numberedItems","count":2},{"type":"plainText"},{"type":"maxWords","max":70}],"mistakes":[{"title":"Not giving the cost rules","why":"The AI uses straight-time pay for overtime and skips payroll taxes.","fix":"Add: \"Overtime is 1.5x; part-timer wage + 10% taxes.\"","checks":["r0","r1"]},{"title":"Forgetting one-time costs","why":"The AI leaves out training.","fix":"Add: \"Include the $1,200 training once.\"","checks":["r1"]},{"title":"Not asking to see the work","why":"The manager will want to check it.","fix":"Add a line to copy: \"1. Overtime: 30 x $24 x 1.5 = $1,080/wk x 12 = $12,960\"","checks":["numberedItems","r0"]},{"title":"Leaving the ending open","why":"The AI writes about morale and safety instead of the number.","fix":"Add: \"Last line: Cheaper: [option], saves $X.\"","checks":["r2"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting. Ask for a total word limit and it often lands over it.","fix":"Cap each line: \"each line under 20 words.\"","checks":["maxWords"]},{"title":"Forgetting where it goes","why":"AI loves markdown tables and bold, which show up as clutter in a manager's email.","fix":"Add: \"Plain text, no bold, headings or tables.\"","checks":["plainText"]}],"promptHints":[{"label":"Gives the overtime rate","patterns":["1\\.5","time and a half"]},{"label":"Adds payroll taxes","patterns":["10\\s*%","payroll tax"]},{"label":"Sets the period","patterns":["12 weeks"]},{"label":"Asks to show the math","patterns":["show (the |your )?(math|work)","x \\$|\\bx\\b.{0,10}=","calculation","step"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown","no formatting","no (headings|tables)"]}],"hint":"The AI doesn't know your overtime and payroll tax rules. Give them, set the period, and ask for each option's math.","rubricLabels":["Overtime is 30 x $24 x 1.5 = $1,080 a week, x 12 = $12,960","Part-timer is 30 x $22 x 1.1 = $726 a week, x 12 = $8,712, + $1,200 training = $9,912","The last line says the part-timer is cheaper and saves $3,048, with nothing before the first numbered line"]}