Learning to code using C#. Lesson 3.1. Writing to a file with CsvHelper

I'm showing how to write to a csv file using CsvHelper and how to refactor code

0:00 Intro
0:14 Reccap on results structure
0:59 Implementing WriteToFile
2:40 Extracting CalcYearlySum into method
4:42 Using new methods
5:25 Run and check
6:00 Creating instance of Calculator
9:00 Testing
9::18 Outro