You can either use the total slice cash or not use it at all. Partial usage is not allowed.
If your due is 1000 and slice cash is 100, you can either use 100 or 0.
If your due is 100 and slice cash is 1000, you can either use 100 or 0.
You can either use the total slice cash or not use it at all. Partial usage is not allowed.
If your due is 1000 and slice cash is 100, you can either use 100 or 0.
If your due is 100 and slice cash is 1000, you can either use 100 or 0.