"A customer places an order to buy 100 shares of ABC at the market. The broker enters the order and receives a report of execution shortly thereafter. Ten minutes later, the customer telephones, and states that he placed the order in error and wishes to cancel the order. The appropriate procedure is to:"

Explanation:

In this situation , the order has been placed and executed . Cancelling the order is impossible . The execution of an order is the completion of a buy or sell order for a security ,hence it is irrevocable and biding on both the seller and the buyer and none of the two parties can cancel it at such time.

The best and appropriate procedure to handle the situation is to explain the procedures and guiding rules in buying stock to the customer and make him to realize that the order has been executed and biding on them.

i think the answer is a. science center.

according to the song of roland, the characteristics of an ideal knight are: loyalty to the king, skilled warriors and horseman, valiant, bold, courageous, strong and proud in battle. they should be determined to fulfil their duties and willing to die to make their people safe.