I haven&#x27;t had time to watch yet, but Khan Academy has a lot of presentations here: <a href="https:&#x2F;&#x2F;www.khanacademy.org&#x2F;economics-finance-domain&#x2F;core-finance" rel="nofollow">https:&#x2F;&#x2F;www.khanacademy.org&#x2F;economics-finance-domain&#x2F;core-fi...</a>