As you can see in the following table, demand for heart transplant surgery at Washington General Hospital has increased steadily in the past few years: The director of medical services predicted 6 years ago that demand in year 1 would be 42.0 surgeries. a) Using exponential smoothing with of 0.60 and the given forecast for year 1 , the forecasts for years 2 through 6 are (round your responses to one decimal place): For forecasts made using a 3-year moving average, MAD =5.77 surgeries (round your response to one decimal place). c) Forecasts for years 1 through 6 using the trend-projection method are (round your responses to one decimal place)