1, depreciation formula
Annual depreciation amount = original value of fixed assets ×( 1- residual value rate)/depreciation period
Monthly depreciation amount = annual depreciation amount/12
2. Land belongs to intangible assets and should be amortized.
7. According to Article 65 of the Regulations for the Implementation of the Enterprise Income Tax Law, intangible assets mentioned in Article 12 of the Enterprise Income Tax Law refer to non-monetary long-term assets held by enterprises for producing products, providing labor services, leasing or operating management, including patent rights, trademark rights, copyrights, land use rights, non-patented technologies and goodwill.
Article 67 The amortization expenses of intangible assets calculated by the straight-line method may be deducted. The amortization period of intangible assets shall not be less than 10 year. As the investor or transferee of intangible assets, if the relevant laws or contracts stipulate the service life, it can be amortized in installments according to the stipulated or agreed service life.
8. Amortization formula
Annual amortization amount = intangible assets value/amortization period
Monthly Amortization Amount = Annual Amortization Amount/12
Legal basis: Article 60 of the Regulations for the Implementation of the Enterprise Income Tax Law of People's Republic of China (PRC) * * * Unless otherwise stipulated by the competent departments of finance and taxation of the State Council, the minimum period for calculating the depreciation of fixed assets is as follows:
(a) houses and buildings, for 20 years;
(2) Aircraft, trains, ships, machines, machinery and other production equipment, 10 year;
(3) Appliances, tools and furniture. 5 years related to production and business activities;
(4) Four years for vehicles other than airplanes, trains and ships;
(five) electronic equipment, for 3 years.