Hi you all,

I have a 'problem' which I cannot solve using spreadsheet software like
Excel.

The problem involves some little program I want to make which can
calculate my earnings of a days work by just inserting the time I start
working and the time I stop working. Because I work with different
earning percentages during a day this isn't as easy as it sounds (at
least not for me). I tried some different approaches in Excel but
couldn't get it to work the way I wanted it to.

I had a project once with some work done in Ruby (mostly NOT done by me
so I'm not a pro at Ruby :D) and now I thought maybe you Ruby experts
can come up with an idea to get this done.

Here are the percentages:

Hours between: 00:00 - 05:00 = earnings per hour * 1.85 (night shift)
Hours between: 05:00 - 07:00 = earnings per hour * 1.35 (early morning
shift)
Hours between: 07:00 - 16:00 = earnings per hour * 1.00 (day shift)
Hours between: 16:00 - 18:00 = earnings per hour * 1.35 (late afternoon
shift)
Hours between: 18:00 - 00:00 = earnings per hour * 1.60 (evening shift)

An extra dimension to the problem is added because of the fact that
after each 4 hours I work, half an hour (work break) of the earnings per
hour * percentage (percentage of the 4 hours worked) is not being paid.
So these unpaid breaks are also variable in percentage.

I need a solution where I can input my starting time and ending time and
which calculates my earnings during these hours (working day). Also I
(or the program ;-)) need(s) to be able to put in different starting
times and ending times because I work with a very variable/fluctuating
working schedule...

Maybe it's a long story but I hope you guys understand what I mean and
maybe some of you experts see a way of how to do this in Ruby. Please
let me know then and I would be higly grateful!!

Thanks in ADVANCE!!!

Greets, tillaart36!
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