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Proof without words of the AM–GM inequality: PR is the diameter of a circle centered on O; its radius AO is the arithmetic mean of a and b. Using the geometric mean theorem, triangle PGR's altitude GQ is the geometric mean. For any ratio a:b, AO ≥ GQ. Visual proof that (x + y) 2 ≥ 4xy. Taking square roots and dividing by two gives the AM ...
The direct method to calculate the return or the holding period return ... This is a consequence of the AM–GM inequality. ... such as stock shares, mutual fund ...
Using gross margin to calculate selling price Given the cost of an item, one can compute the selling price required to achieve a specific gross margin. For example, if your product costs $100 and the required gross margin is 40%, then Selling price = $ 100 1 − 40 % = $ 100 0.6 = $ 166.67 {\displaystyle {\text{Selling price}}={\frac {\$100}{1 ...
The geometric mean has from time to time been used to calculate financial indices (the averaging is over the components of the index). For example, in the past the FT 30 index used a geometric mean. [8] It is also used in the CPI calculation [9] and recently introduced "RPIJ" measure of inflation in the United Kingdom and in the European Union.
General Motors' (GM) hot stock has sprung a leak after its latest earnings report on Tuesday. Shares of the auto giant fell as much as 11% on Tuesday and closed down 9%. It marked the worst day ...
GM shares remained down by 10.4% as of 11:44 a.m. ET. The U.S.-based automaker also predicts another good year in 2025 with even better bottom-line results. Why General Motors Stock Crashed Today
In business, Gross Margin Return on Inventory Investment (GMROII, also GMROI) [1] is a ratio which expresses a seller's return on each unit of currency spent on inventory.It is one way to determine how profitable the seller's inventory is, and describes the relationship between the profit earned from total sales, and the amount invested in the inventory sold.
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