Which of the following statements is true? Ca. If using the units-of-activity method, it is possible to depreciate more than the depreciable cost. b. If using the double-declining balance method, the total amount of depreciation expense during the life of the asset will be the highest. oc. If using the straight-line method, the amount of depreciation expense during the first year is higher than that of the double-declining-balance method. d. Regardless of the depreciation method, the amount of total depreciation expense during the life of the asset will be the same