For the demand function $D ( q ) = \frac { 400 } { ( 0.2 q + 1 ) ^ { 2 } }$ dollars per unit, find the total amount of money consumer's are willing to spend when q = 3 units.
A) $700
B) $720
C) $740
D) $750

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The Answer of For the demand function $D ( q ) = \frac { 400 } { ( 0.2 q + 1 ) ^ { 2 } }$ dollars per unit, find the total amount of money consumer's are willing to spend when q = 3 units.
A) $700
B) $720
C) $740
D) $750

For the Demand Function D(q)=400(0.2q+1)2D ( q ) = \frac { 400 } { ( 0.2 q + 1 ) ^ { 2 } }D(q)=(0.2q+1)2400​

For the Demand Function $D ( q ) = \frac { 400 } { ( 0.2 q + 1 ) ^ { 2 } }$