Payment Mode
Remaining % after the fixed rows (Earnest
Money … Brick Work … Possession) is split evenly across the
generated slabs, so the schedule always totals 100%.
Splits the schedule into two
rows of 50% each.
100% is split evenly across N installments;
the last one absorbs any rounding.
The entire schedule below is replaced with a single row for 100%
of the Basic Flat Cost.