The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage to be driven next year. The miles driven during the past 5 years are as follows:
Year
1 - 3,000
2 - 4,050
3 - 3,450
4 - 3,850
5 - 3,700
d) Using exponential smoothing with a=.20, and the forecast for year 1 being 3,000, the forecast for year 6 is = ____ miles.