PowerPoint Chart and Number Reconciliation Against the Source
Check that slide numbers match the workbook.
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Reconcile the numbers on my PowerPoint slides with their source. Slide text and chart labels: [SLIDE_NUMBERS]. Source figures from the workbook: [SOURCE_FIGURES]. Calculations the slides rely on: [CALCULATIONS]. Work through the numbers in the order they appear. For each, state what the slide claims, what the source says, the recalculation (with arithmetic), and whether it matches within the rounding convention you declare; state the tolerance used and propose one rounding convention for the whole deck. Check value, unit, period, rounding and definition; note totals that do not add up, numbers appearing twice with different values, and claims in titles the numbers do not support. Example: a slide says 'Costs rose 8 percent' but the source goes from 1,250 to 1,330, a change of 80, which is 6.4 percent, so it is a mismatch. A chart picture cannot be read exactly from pasted text, so ask for the values behind it. Group problems into wrong number, wrong unit, wrong period, wrong definition and unsupported claim, and give corrected slide text for each wrong item. Return a table with Slide, Statement, Source value, Recalculated, Match and Fix, and the count of numbers checked, matched, mismatched and unverifiable with the percentage matching.
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Invented check. Slide 4 says "Costs rose 8 percent". Source: 1,250 to 1,330. Change 80; 80 / 1,250 = 6.4 percent. Mismatch; fix title to 6.4 percent. Slide 6 total 3,980 against the sum of parts 1,250 + 1,330 + 1,400 = 3,980. Match. Count: 14 numbers checked, 11 match (78.6 percent), 2 mismatch (slide 4 and slide 9, where a percentage was computed on the wrong base), 1 cannot be verified because the source was not provided. Rounding rule adopted: percentages to one decimal place, money to the nearest thousand. Corrected slide 4 text: 'Costs rose 6.4 percent, from 1,250 to 1,330'.
Illustrative only, made-up data. Your results will differ and must be reviewed.