Your marketing research firm is preparing the final written report on a research project commissioned by a major manufacturer of lawn mowers. One objective of the project was to investigate seasonal variations in sales, both on an aggregate basis and by each of the company's sales regions individually. Your client is particularly interested in the width of the range between maximum and minimum seasonal sales. The following table was submitted by one of your junior analysts. Critique the table and prepare a revision suitable for inclusion in your report.

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Seasonal Sales Variation SALES IN THOUSANDS OF DOLLARS Sales Region Northeast East-central Southeast Midwest South central Plains Southwest Pacific Spring $120.10 118.80 142.00 10020 80.77 95.60 105.40 180.70 Summer $140.59 142.70 151.80 139.42 101.00 120.60 110.50 202.41 Winter $30.00 25.20 100.10 20.00 78.20 19.90 92.10 171.54 14560 Fall $50.90 61.70 134.20 42.90 90 42 38.50 101.60