During the period of change in the way we charge a monthly fee, the model that changes over seasons and time period and the model that changes over season and season has reached six years. , MAD,MAPE, and MSE are calculated. What method do you use? What are you?

. Q = a = 0.1, B = 0.1 , TS, MAD, MAPE, MSE ? ? # 7.3 ABC () 1 2. 3 4 5 1 3,000 2,000 5,000 2,000 3,000 3,000 5,000 2,000 5,000 4,000 5,000 4,000 3,000 4,000 3,000 5,000 5,000 2,000 2,000 3,000 4,000 6,000 7,000 3,000 4,000 6,000 7,000 6,000 6,000 2 3 4 5 6 7 8 9 0 12 8,000 3,000 8.000 5,000 7,000 10,000 14,000 16,000 7,000 10,000 8,000 10,000 12,000 10,000 20,000 20,000 22,000 10 12.000 12,000 11 14,000 15,000 15,000 18,000 8,000 98,000 16,000 10,000 89,000 8.000 16,000 20,000 12,000 115,000 78,000 8,000 113,000 . Q = a = 0.1, B = 0.1 , TS, MAD, MAPE, MSE ? ? # 7.3 ABC () 1 2. 3 4 5 1 3,000 2,000 5,000 2,000 3,000 3,000 5,000 2,000 5,000 4,000 5,000 4,000 3,000 4,000 3,000 5,000 5,000 2,000 2,000 3,000 4,000 6,000 7,000 3,000 4,000 6,000 7,000 6,000 6,000 2 3 4 5 6 7 8 9 0 12 8,000 3,000 8.000 5,000 7,000 10,000 14,000 16,000 7,000 10,000 8,000 10,000 12,000 10,000 20,000 20,000 22,000 10 12.000 12,000 11 14,000 15,000 15,000 18,000 8,000 98,000 16,000 10,000 89,000 8.000 16,000 20,000 12,000 115,000 78,000 8,000 113,000