The demand function for a certain commodity is $p = 5 - \frac { x } { 10 }$ Find the consumer's surplus when the sales level is 30. Illustrate by drawing the demand curve and identifying the consumer's surplus as an area.

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The Answer of The demand function for a certain commodity is $p = 5 - \frac { x } { 10 }$ Find the consumer's surplus when the sales level is 30. Illustrate by drawing the demand curve and identifying the consumer's surplus as an area.

The Demand Function for a Certain Commodity Is p=5−x10p = 5 - \frac { x } { 10 }p=5−10x​

The Demand Function for a Certain Commodity Is $p = 5 - \frac { x } { 10 }$