
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
If the Nunachin store usually sells windows at a price of $\120$ each, but offers a promotion where five windows purchased earn one free, and an additional $5\%$ discount on the total price for purchases exceeding ten windows, calculate the collective savings for Greg and Susan who need nine and thirteen windows, respectively.

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