How would a mining company try to restore the land back to its original state after extraction of the ore was completed

by completely cleaning up the land and paying for damages

Explanation:

The way that mining companies accomplish this is by completely cleaning up the land and paying for damages. These damages include anything that was destroyed in order for the mining to take place, including buildings, houses, parks, etc. This money goes to the city or individuals in charge of the land which they can use to rebuild on top of the clean land and shape it as they see fit. This entire process is usually known as land reclamation.

i would say iii (3) because in order to compare a price you have to use as a reference other near stores because it's its

hope i explained myself