The production of Reliable Manufacturing Company for 2012 and part of 2013 follows.

a. Using the ratio-to-moving-average method, determine the specific seasonals for July, August, and September 2012.
b. Assume that the specific seasonal indexes in the following table are correct. Insert in the table the specific seasonals you computed in part (a) for July, August, and September 2012, and determine the 12 typical seasonal indexes.

c. Interpret the typical seasonalindex.

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2012 Production (thousands) 2013 Production (thousands) 2012 2013 Production Production (thousands) thousands) Month Month July August September January February March April May June 12 14 14 November December 4 Year Jan. Feh. Mr. Ap. May June July Aug. Sept. ct. Nov. Dec. 2012 2013 88.9 102.9 178.9 118.2 60.1 43.1 44.0 74.0 200.9 90.0 101.9 90.9 2014 87.6 103.7 170.2 125.9 59.4 48.6 44.2 77.2 196.5 89.6 113.2 80.6 2015 79.8 105.6 165.8 1247 62.1 41.7 48.2 72.1 203.6 80.2 103.0 94.2 2016 89.0 112.1 182.9 115.1 57.6 56.9 ?92.1 106.5 92.9