Suppose that all these given demonstrated curves in below are infinitely long straight lines. There supply curve that is perfectly price-inelastic is: (i) supply curve S1. (ii) supply curve S2. (iii) supply curve S3. (iv) supply curve S4. (v) supply curve S5.
![580_Price Elasticity of Supply1.png](https://secure.tutorsglobe.com/CMSImages/580_Price%20Elasticity%20of%20Supply1.png)
How can I solve my Economics problem? Please suggest me the correct answer.