✓ Correct answer: D. $268.46To calculate the average, we add up all the expenditures and divide the sum by the number of expenditures.<br/><br/>Sum of the given expenditures = $79.84 + $278.99 + $342.16 + $466.25 + $111.39 + $502.47 + $98.12 = $1879.22<br/><br/>Number of expenditures = 7<br/><br/>Average = Sum of expenditures / Number of expenditures = $1879.22 / 7 = $268.46<br/><br/>Therefore, the correct answer is B) $268.46.<br/><br/>Analysis of the wrong answer choices:<br/><br/>A) $278.99 - This is one of the given expenditures, so it is not the average.<br/><br/>C) $354.22 - This is not the correct average of the given expenditures.<br/><br/>D) $317.54 - This is not the correct average of the given expenditures.<br/><br/>The wrong answer choices (A, C, and D) do not accurately represent the average of the given expenditures.
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