
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
On a business trip from the United States to Mexico, Carlos took $d$ U.S. dollars with him. At the border, he exchanged them all for Mexican pesos, receiving $12$ Mexican pesos for every $8$ U.S. dollars. After spending $72$ pesos, he had $d$ pesos left. Find the sum of the digits of $d$.
A) $7$
B) $8$
C) $9$
D) $10$
E) $11$

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