**Question:** Consider the curve in Figure number 2

**Solution**

DD is a demand curve, and tangent BC meets DD at the point Q dividing into two parts AQ and QB. Assume, QC = 15 and QB = 10.

As per the formula,

**Question:** Consider the curve in Figure number 2

**Solution**

DD is a demand curve, and tangent BC meets DD at the point Q dividing into two parts AQ and QB. Assume, QC = 15 and QB = 10.

As per the formula,