Solutions Operations management

Identify the monthly seasonal indexes for the following three years of expenses for a six unit apart

Question: Identify the monthly seasonal indexes for the following three years of expenses for a six unit apartment house in southern Florida. Use a 12-month moving average calculation.

Month	Year 1	Year 2	Year 3
January	170	180	195
February	180	205	210
March	205	215	230
April	230	245	280
May	240	265	290
June	315	330	390
July	360	400	420
August	290	335	330
September	240	260	290
October	240	270	295
November	230	255	280
December	195	220	250