If an asset is depreciated using the double-declining method, which of the following statements is true?

a. All of these statements are true.

b. Total depreciation expense over the life of the asset will be higher than it would have been under the straight-line method.

c. Depreciation expense will be unpredictable in each year.

d. Depreciation expense will be higher in the earlier years than it will be in the later years.