Question: Modification of existing software to enable it to
The software modification is to make it backwards-compatible.

Answer: it is not possible to tell

Question: Shopping hours in Ibiza last from around 9:00 a.m. to 1:00 p.m. and from 4:00 to 8:00 p.m.
Shopping hours in Ibiza are very short and only from 6:00 a.m. to 8:00 a.m.

Answer: no

Question: At a presort volume of 40 billion pieces, the postal service's cost curve goes through the current operating point discussed in the previous part of this paper.
The cost curve is affected by the 40 billion pieces.

Answer:
it is not possible to tell