$1\mathrm{.}3.$ Develop your own answers to the five questions asked at the beginning of Section $1\mathrm{.}1.$ Discuss them with your fellow students.

$$ Why does it take so long to get software finished? $$

$$Why are development costs so high? $$

$$Why can$$t we find all errors before we give the software to our customers? $$

$$ Why do we spend so much time and effort maintaining existing programs? $$

$$ Why do we continue to have difficulty in measuring progress as software is being developed and maintained?