Short Answer 
In the decision-making process for a car wash, first identify the problem regarding volunteer availability. Next, evaluate resources and alternative options, such as fundraising through selling energy drinks, before making an informed decision based on potential outcomes.
Step 1: Identify the Problem
The first step in the decision-making process is to clearly identify the problem or issue at hand. In this context, the problem is determining whether there are enough volunteers available for a car wash. It is crucial to outline what resources and participants are needed to successfully complete the task.
Step 2: Evaluate Available Resources
Next, evaluate all the resources and factors that will affect the outcome of the task. This includes assessing the number of volunteers, considering the interest in the car wash, and whether there are any alternative options (like selling energy drinks). A thorough evaluation will help in making informed decisions to ensure the task can be accomplished efficiently.
Step 3: Make and Analyze the Decision
Finally, make the decision based on the information gathered along with the evaluation of potential outcomes. This involves weighing options like continuing with the car wash or shifting focus to fundraising through selling energy drinks. The viability of each option should be analyzed to maximize the benefits and ensure successful execution of the task.