
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
Three friends, Alex, Ben, and Charlie, bought a gift for $\textdollar 72$. Alex paid one-fourth the sum of the amounts paid by the others, Ben paid one-fifth of the sum of the amounts paid by the others, and Charlie paid the rest. How much did Charlie contribute to the gift purchase?
- **A) $\textdollar 48$**
- **B) $\textdollar 49$**
- **C) $\textdollar 50$**
- **D) $\textdollar 52$**

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