The demand function for a product is $p = 140 - 4 x$ , where p is the number of dollars and x is the number of units. If the equilibrium price is $\$ 40$ , what is the consumer's surplus?
A)$ $1175$
B)$ $1250$
C)$ $1375$
D)$ $1220$
E)$ $1340$

Question

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The Answer of The demand function for a product is $p = 140 - 4 x$ , where p is the number of dollars and x is the number of units. If the equilibrium price is $\$ 40$ , what is the consumer's surplus?
A)$ $1175$
B)$ $1250$
C)$ $1375$
D)$ $1220$
E)$ $1340$

The Demand Function for a Product Is p=140−4xp = 140 - 4 xp=140−4x

The Demand Function for a Product Is $p = 140 - 4 x$