
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
Over the past decade, the relationship between the annual income $x$ (in billions of yuan) and expenditure $y$ of residents in a certain city can be roughly described by the equation $y=0.8x+0.1$. If the residents' income for this year is projected to be 15 billion yuan, then the estimated annual expenditure is...

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