Feature/schedule cc

[TabeaMaria]

Fixes #Issue

Changes proposed in this pull request:

• Change calculation of capacity costs in schedule strategy

The following steps were realized (required):

• [x] Correct linting with flake8 path_to_script
• [x] Check if tests pass locally with python -m pytest tests/

Also the following steps were realized (if applies):

• [x] Write docstrings to your code (Adjust docstrings)
• [x] Explain new functionalities in readthedocs
• [x] Write test(s) for new patch of code (Adjust tests)
• [x] Check building of documentation with doc/make html