Current Calculation Logic

MasterClass.cs

public class  CalculationA
{  
  public string str1 {get;set;}
  public string str2 {get;set;}
  // 40 around properties
}
public class  CalculationB{

  public string str3 {get;set;}
  public string str4 {get;set;}
// 40 around properties
}
Public class MasterClass{
 public CalculationA calcA {get;set;}
 public CalculationB calcB {get;set;}
// 100+ around Model properties
}