Very reputable company performs very good quality work

I received a quote from McCoys and they quoted me for 45 tons of granite. That seemed like too much to me so I went to the granite supplier with the measurements that McCoys provided and they said I only needed 19 tons at the most. So I notified McCoys that I thought that they misquoted me on the amount. He came back and said that he was wrong...I only needed 35 tons. I ended up getting my own gravel at 19 tons and doing it myself. My yard was dirt without any debris at all and he was quoting me