Under which of the following circumstances may ‘capital gains’ arise?

1. When there is an increase in the sales of a product
2. When there is a. natural increase in the value of the property owned
3. When you purchase a painting and there is a growth in its value due to increase in its popularity

Select the correct answer using the codes given below :

(a) 1 only

(b) 2 and 3 only

(c) 2 only

(d) 1, 2 and 3