Set up dep key -Percentage based 1st 2 years and then rem. useful life based considering scrap value

Hi All,

How tin we acceptable up the beneath depreciation cardinal successful SAP ?

Acq Value - 20,000 , Scrap (Residual) Value = 5,000 , Useful beingness = 5 years

First 2 years , the depreciation is based connected percent i.e. 17.5%

1st twelvemonth dep = 20,000*17.5% = 3500

2nd twelvemonth dep = 20,000*17.5% = 3500 

from 3rd twelvemonth onwards - it becomes based connected remaining utile life

Net publication worth of plus aft 2nd twelvemonth = 20,000-7,000 (1st 2 years dep - 3500+3500) = 13,000 

Scrap Value = 5,000

Depreciation for remaining 3 years = 13000-5000/3 = 2,666.67

How tin we execute it successful a modular mode ? I judge we request to usage changeover method but not definite which enactment to use. The screenshot of depreciation calculation is attached.

Kind regards