How to setup straight line depreciation method by dividing the NBV by the remaining number of months

Summary:

Customer has assets that currently using straight line depreciation method by dividing the NBV by the remaining number of months.

Since Oracle standard STL used aquisition cost as calculated basis there is the differenece in monthly depreciation amount.

Is there any way to set up NVB basic?

When we select methods Type as Calculated, Calculation basis is only set to Cost