For a canteen, the actual demand for disposable cups was

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For a canteen, the actual demand for disposable cups was 500 units in January and 600 units in February. The forecast for the month of January was 400 units. The forecast for the month of March considering smoothing coefficient as 0.75 is.

1. 569
2. 568
3. 570
4. 565

Correct Option: A

x = 0.6
F_May = F_April - (D_April - F_April)
⇒ 850 - 0.6(800 - 850)
F_May = 850
F_June = F_May - (D_May - F_May)
= 850 - 0.6 (1030 - 850)
⇒ 850 - 90
⇒ 970 units