On January 1, 2021, Badger Inc. adopted the dollar-value LIFO method. The inventory cost on this date was $101,600. The ending inventory, valued at year-end costs, and the relative cost index for each of the next three years is below: Year-end Ending inventory at year-end costs Cost Index
2021 $131,040 1.05
2022 150,040 1.10
2023 160,320 1.20

In determining the inventory balance for Badger to report in its 12/31/2022 balance sheet: -

a. An additional layer of $12,760 is added to the 12/31/2021 balance.
b. An additional layer of $24,760 is added to the 12/31/2021 balance.
c. An additional layer of $23,760 is added to the 12/31/2021 balance.
d. None of these answer choices are correct.