
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
Apples are available at a rate of 4 for 15 cents and 7 for 25 cents. Calculate the total cost if you purchase 25 apples using the best combination of these rates. Also, determine the cost of 6 apples at the resultant average price per apple.
A) 90 cents and 20 cents
B) 91 cents and 22 cents
C) 90 cents and 21 cents
D) 92 cents and 21 cents

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