Good Afternoon -

I'm not sure if this helps, but I found another way to express my
attempted formula.

All to occur in cell G2

Condition 1.
If F2 is 0 then multiply F2 by D2.

Condition 2 in the same cell.
If the product of F2 multiplied by D2 is E2 AND the sum of F2 and F1
multiplied by D2 is 0, then add the product of D2 multiplied by the
sum of
F1 and F2 to E2, otherwise input E2

Condition 3 in the same cell.
If the product of F2 multiplied D2 is < E2 BUT the sum of F2 and F1
multiplied by D2 is 0, then input the product of D2 multiplied by the
sum
of F1 and F2.

Condition 4 in the same cell.
If F2 < 0, and the sum of sum of F2 and F1 multiplied by D2 is < 0,
then 0.

Derek


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