
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
A department store offers two promotions. Promotion A says, "Buy one pair of shoes at full price, get the second pair for half the price." Promotion B says, "Buy one pair of shoes, get $15 off the second pair." Michael wants to buy two pairs of shoes where the first pair costs $50 and the second pair costs $40. He can only use one of the promotions, A or B. Michael decides to use the promotion that will save him the most money. How many dollars does Michael save by picking one promotion over the other?

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