https://www.openweb.com/share/2R4KGfSKyLbcm9Lh1UKewQfzYid " Joe I was going to be an economist, but I could not understand the math they use, so I went in to Engineering instead - the math gave the same answer each and every time, where in economics there were undefined variables that could randomly pop up and change the answer over and over again. "