Exhibit 18.4.The following ratio-to-moving averages for the seasonally adjusted series were found by the decomposition method applied on a time series representing quarterly sales for the last four years: 
Refer to Exhibit 18.4.If the trend is described by the trend line 
,what is the forecast for the fourth quarter of this year?
Definitions:
Hyperactivity-Impulsivity
A behavioral condition characterized by excessive movement and actions performed without forethought, often seen in Attention Deficit Hyperactivity Disorder (ADHD).
Psychomotor Disorder
A condition that involves a disruption or impairment in the coordination between mental processes and physical movement.
Communication Disorder
Disorders characterized by significant difficulties in the ability to receive, send, process, and comprehend verbal, nonverbal, and graphic information.
Synapses
Junctions between nerve cells where neurotransmitters are released to transmit signals from one neuron to another.
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