Answer: sensitivity analysis
Step-by-step explanation:
From the information given in the question, we can infer that the type of DSS analysis that Tom is performing is the sensitivity analysis.
Sensitivity analysis simply refers to the quantitative risk assessment that deajs with how the alteration of a particular variable will have an effect on the model's output.
Here, Tom believing that he can increase revenue up by implementing a few different breakfast promotions like the free coffee or hash browns shows that he's using sensitivity analysis.