[Solved] The correct sequence of layers in the wall of the alimentary canal, from internal to external, is A) serosa, muscularis, mucosa, submucosa. B) mucosa, muscularis, serosa, submucosa. C) submucosa, mucosa, serosa, muscularis. D) mucosa, submucosa, muscularis, serosa. Strike Price: The price at which a derivative contract can be exercised, specifically referring to the price at which the holder of an option can buy (call option) or sell (put option) the underlying asset. 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.