
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given that John paid $15 for four muffins under a promotional sale that offers "Buy three muffins at the regular price and get the fourth muffin for free", determine the regular price of one muffin.

Present the answer in LaTex format: \boxed{Your answer}
user