
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
Janabel sold widgets in a peculiar manner at her new job. On her first day, she sold two widgets. On each subsequent day, she sold widgets equal to three times the day's number. How many widgets in total had Janabel sold after working $15$ days?
A) 360
B) 364
C) 359
D) 400
E) 390

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