Final answer:
The amount of outstanding checks at the end of November is $740, while the amount of outstanding checks at the end of December is $1,180.
Step-by-step explanation:
The amount of outstanding checks at the end of November can be calculated by subtracting the checks presented to the bank for payment ($8,825) from the total amount of checks written in November ($9,565). Therefore, the amount of outstanding checks at the end of November is $740.
Similarly, the amount of outstanding checks at the end of December can be calculated by subtracting the checks presented to the bank for payment ($10,285) from the total amount of checks written in December ($11,465). Therefore, the amount of outstanding checks at the end of December is $1,180.