public static IReadOnlyCollection <Period> GetHistoryFromFile()
{
string filePath = @"D:\\InterviewTest\InterviewTest.DriverData\DataFiles\HistoryData.json";
IDataFileReader fileDataReader = new FileDataReader();
string historyData = fileDataReader.ReadFileData(filePath);
IDataParser jsondataParser = new JsonDataParser();
return(jsondataParser.ParseData <IReadOnlyCollection <Period> >(historyData));
}