fix: Create Depreciation Schedules for existing Assets accurately

[GangaManoj]

Problem Addressed

Depreciation Schedules for Existing Assets with

• Gross Purchase Value = x
• Number of Depreciations = y
• Opening Accumulated Depreciation = a
• Number of Depreciations Booked = b

are being created as though they're new Assets with

• Gross Purchase Value = (x - a)
• Number of Depreciations = (y - b)

Example

Consider the following Asset:

Its Depreciation Schedule will be created as follows:

If this Asset had already been depreciated till 30-10-2021 for Rs 6483.87(i.e, if it were an Existing Asset with Opening Accumulated Depreciation = Rs 6483.87 and Number of Depreciations Booked = 7), then the Depreciation Schedule should ideally consist of the last four rows alone.

i.e. it should look like this:

However, it currently looks like this instead: