Sales of quilt covers at Bud$$ Banis's discount department store in Carbondale over the past year are shown below. Management prepared a forecast using a combination of exponential smoothing and its collective judgment for the $4$ months$($March$,$ April,$$ May, and$$ June$)$: MAPELOADING... for the forecast developed by the$$ management's technique$=$

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enter your response here$\%($round your response to two decimal$$ places$).$