
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
Dave and Doug need a total of 22 windows. If they purchase them separately, the cost will be $100 \cdot 22$. If they purchase them together, the cost will be $(100 \cdot 22) - 4 \cdot 100$, since they get 4 free windows. Determine the amount they will save.

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