Answer: To increase sale by 10%, the seller must lower the price of the good by 12.5%.
Explanation: Price elasticity of demand measures the responsiveness of quantity demanded to a change in the price. Since, demand and price for a normal good are negatively related to each other, price elasticity is also negative. It can be calculated using,

Therefore, to increase sale by 10%, the seller must lower the price of the good by 12.5%.
The answer is true. A stock is a broad phrase that refers to any company's ownership certificates. A share, on the other hand, refers to a company's stock certificate.
You become a shareholder if you own a share of a specific corporation. Stocks are classified into two types: common and preferred. When you purchase stock in a corporation, you become a part-ownership of that company. If a corporation has 100,000 shares and you purchase 1,000 of them, you own 1% of the company. Investing in stocks is fundamentally about accumulating and growing wealth. The most basic suggestion for traders on how to invest money in the stock market is 'buy cheap, sell high.'
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