You can make your own: To make buttermilk, use 1 cup milk and 1 tablespoon lemon juice or white vinegar. Allow it to sit for a few minutes. If you do purchase buttermilk and have extra, freeze it in 1 cup containers or in Ziplock bags. You can also purchase powdered buttermilk in grocery stores.
Straight-line depreciation allows an equal portion of the laptop's cost to be claimed in each year over the total depreciation period. If the cost of the computer was $1,000, for example, then $200 a year can be included in the company's total depreciation amount each year for five years.
Different Depreciation Schedules [5 vs. 7 years]: Part 91 - Aircraft can be depreciated on a 5 year schedule. Part 135 - Aircraft can be depreciated on a 7 year schedule.Part 91 - no operating certificate required. Part 135 - obtaining an operating certificate takes approximately 6 months to 1 year and costs approximately 15-20 times the hourly operating costs of the aircraft.ifferent Depreciation Schedules [5 vs. 7 years]: Part 91 - Aircraft can be depreciated on a 5 year schedule. Part 135 - Aircraft can be depreciated on a 7 year schedule.