Using the information below, determine the productivity (measured as output per dollar input) for the each quarter and calculate the percentage change in productivity. 
Definitions:
REM Behavior Disorder
A rare disorder in which the mechanism that blocks the movement of the voluntary muscles fails, allowing the person to thrash around and even get up and act out nightmares.
EEG Record
A graphical record of electrical activity in the brain, measured by electrodes placed on the scalp, used in diagnosing neurological conditions and in neuroscience research.
Sleepwalking
Sleepwalking is a sleep disorder causing people to get up and walk while in a state of sleep, often having no memory of the activity.
Paradoxical Sleep Waves
Brain waves associated with REM (rapid eye movement) sleep, during which dreaming usually occurs and the body experiences atonia but the brain is active.
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