I need an explanation for this Excel question to help me study.

Documentation sheet: Name/date entered

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G4:P4: end-of-month dates entered

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E8:P8: SUM functions created using Quick Analysis tool

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E12:P12 SUM functions created using Quick Analysis tool

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E14:P14: monthly gross profit calculated

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E17:P26: SUM functions created using the Quick Analysis tool

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E29:P29: Net income calculated

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E30:P30: running total calculated

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Q6:Q29: SUM functions created using Quick Analysis tool; cells lacking financial figures deleted

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B6:B29: monthly averages calculated, rounded to nearest 10 dollars (2 points)