Execution Strategies for Large Orders

As a portfolio manager, you are tasked with executing trades for a large block of shares in a particular company. Given the substantial size of the order, you need to decide on an appropriate execution strategy to minimize market impact and achieve the best average price. The firm you work for is particularly concerned about the effects on the market price caused by the large volume of shares being traded.

Which of the following execution strategies would be the most appropriate to accomplish this objective?