smoothing constant (a) of 0.30 and a starting forecast of 415.00, the following sales forecast has been developed: Forecasted Sales Year Sales 1 455 415.00 2 502 427.00 3 516 449.50 4 566 469.45 5 585 498.42 The MAD for a forecast developed using exponential smoothing with a 0.30 is 72.93 sales (round your response to two decimal places). Forecasted sales for years 2 through 6 using exponential smoothing with a 0.60 and a starting forecast of 415.00 are (round your responses to two decimal places): Year 1 2 3 4 5 6 Forecasted Sales 415.00 439.00 476.80 500.32 539.73 566.89 The MAD for a forecast developed using exponential smoothing with a 0.60 is 50.63 sales (round your response to two decimal places). Forecasted sales for years 2 through 6 using exponential smoothing with a 0.90 and a starting forecast of 415.00 are (round your responses to two decimal places): Year 1 2 3 4 5 6 Forecasted Sales 415.00 451.00 496.90 514.09 560.81 582.58 The MAD for a forecast developed using exponential smoothing with a 0.90 is sales (round your response to two decimal places).