The following are independent events:
a. A partnership is preparing to become a corporation and sell stock to the public. At this time, it decides to switch from accelerated to straight-line depreciation.
b. A company has been debiting half its advertising costs to an intangible asset account and amortizing these costs over 3 years.
c. A company has been using accelerated depreciation. It now estimates that the pattern of benefits to be received in the future will be equal each period, so it decides to change to the straight-line depreciation method.
d. A company has been using straight- line depreciation for its property, plant, and equipment. It is now buying a new type of machine and elects to use accelerated depreciation on the new machine.
e. A company switches from capitalizing certain expenditures to expensing them due to the issuance of an Accounting Standards Update that makes capitalization of these expenditures no longer generally accepted.
Required: Identify the correct accounting treatment for the changes (if any) related to the preceding events.