Vladan (9/1/2015)
Solution of Luis seems to me to be the best of the 3 variants. My code has rounding problem (returns 55.55 instead of 55.56), which I overlooked before and only noticed it when comparing the results.
That's why I avoid the money data type.
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2