[Solved] ____ is/are (a)commonly used input device(s). A)Speakers B)A mouse C)A keyboard D)A scanner Listed Options: Contracts traded on a stock exchange that give buyers the right, but not the obligation, to buy or sell a security at a specified price within a certain time period. Post Margins: The practice of depositing collateral to cover potential losses in trading accounts, especially in futures and options markets. Naked Listed Options: Options contracts that are sold without owning the underlying asset, posing a higher risk due to the potential for unlimited losses. Asian Option: A type of option where the payoff depends on the average price of the underlying asset over a certain period.