QUESTION 4 (20 MARKS) The table provided presents the demand for heart transplants at Universitas Academic Hospital which has improved steadily over the past few years: Year Hean 52 56 53 ? Transplants The clinical manager predicted 6 years ago that demand in year 1 would be 41 surgeries. 4.1 Use the exponential smoothing with a smoothing constant of 0.6 to develop forecasts for years to 2 through to 6. (6 marks) 4.2 Use a 3-year moving average to forecast demand in years 4, 5, and 6. (4 marks) 4.3 Use the least squares trend equation forecast demand for period 6. (10 marks)