Target is to project the balance sheet and the income statement into the future based on projected accounts.

Each account should allow to enable a "projected value".
Default value is 0.
Options are (at least):
Constant value.
Based on average of last N (default: 1) months / accounting periods average increased by a factor of x (default: 1) each period.

Correpsonding reports need to be established, e.g.:
-Projected Account Values: Shows value of selected accounts as projected for each projected period (each account one row, value in columns)
-Projected Income Statement / Balace Sheet: As above, could be created from the above, but included as a convenience