which of the following is not considered to be unethical under the uniform securities act? a taking an order from the spouse of a customer who has an individual account, only when the customer is traveling and is out of the country b telling a customer that wishes to invest in a speculative stock that the agent believes to be unsuitable, that the prospects for the company are considerably more bearish than the agent believes c telling a customer to sell a security based on material negative non-public information that an agent has obtained, as long as the agent does not sell the stock for his or her personal account d executing a customer's order to buy at the market at the current ask price when the bid price is lower