Answer:
Objective-and-task method.
Step-by-step explanation:
With the available information, objective-and-task method would be best for Luke to pursue to develop his communication program. Objective and task method is a marketing strategy that focuses on allocating an amount of money for its marketing or advertisement budget based on peculiarities and set objectives, instead of choosing an arbitrary amount of money.
The objective-and-task method is the most logical budget method, as an organization sets its promotional budget on what it wishes to achieve specifically, meaning it's goal oriented and not based on sales revenues.