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Table 1 shows the monthly sales of classic denim jeans. Based on the sales data, forecast the sales of the jeans for June using a three-month moving average forecast and an exponential smoothing forecast (with a smoothing constant of 0.4). Month Actual demand Forecasted demand January 391 425 February 413 400 March 385 420 April 426 410 May 428 420 Table 1: Monthly classic denim jeans sales