Depreciation a capital asset.
The income statement, revenue, gross profit, operating profit, net income, ROA and ROE.
Earnings, EPS (earnings per share) and how they relate to the income statement and balance sheet.
Price to Earnings Ration (or P/E ratio).
A situation where the price to earnings ratio seems to not fairly price an asset.
Solving the P/E conundrum by looking at a different valuation metric (enterprise value).