2 to 3 years.

The catering industry is mainly divided into five categories: tourist hotels, restaurants (Chinese food and western food), buffet and box lunch, cold drinks and vendors. Specifically, it can be divided into three types: convenient mass catering market, high-grade catering market and atmosphere catering market. The convenient mass catering market is mass consumption; There are many secondary and tertiary cities in the high-end catering market, especially in the tertiary cities; The atmosphere catering market is sandwiched between high-end and low-end, mainly some theme restaurants and atmosphere restaurants.

the depreciation of fixed assets refers to the systematic allocation of the depreciation amount according to a certain method within the service life of fixed assets. Service life refers to the expected life of a fixed asset, or the number of products or services that the fixed asset can produce. Accrued depreciation refers to the amount after deducting the estimated net salvage value from the original price of fixed assets that should be depreciated. For fixed assets for which impairment provision has been made, the accumulated amount of impairment provision for fixed assets should also be deducted.