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Jasper Retail Solutions has reviewed six year of sales data and computed their seasonality index as shown in the table below: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.70 0.65 0.70 0.80 0.90 1.00 1.19 1.30 1.00 1.00 1.40 1.45 As you can see their busy times are late summer and Christmas. The marketing team tried a new campaign that started in the last week of July. It was expected that the results would provide a sales lift throughout the month of August. Sales in July were $23,450,000. Sales for August came in at 27,450,000 and the marketing team was calling the campaign a "huge success" because sales increase over the previous month by $4,000,000 Required: Did the campaign increase sales? Support your conclusion with appropriate calculations