hi there!
i have finished the Architect Arithmetic challenge 
can you please give me your feedback
static void Main(string[] args)
{
Console.WriteLine("What monument would you like to work with?( TAJ MAHAL or AL HARAM )");
string answer = Console.ReadLine();
answer = answer.ToUpper();
switch (answer)
{
//---------------------
case "TAJ MAHAL":
CalculateTotalCost(answer);
break;
//---------------------
case "AL HARAM":
CalculateTotalCost(answer);
break;
//---------------------
default:
Console.WriteLine("Error, please restart the program");
break;
//---------------------
}
}
static double CalculateTotalCost(string Building)
{
switch (Building)
{
case "TAJ MAHAL":
double triArea = 24 * 24 * 2 * 4;
double totalArea = 90.5 * 90.5 - triArea;
double price = totalArea * 180;
Console.WriteLine($"{price} poses");
return price;
case "AL HARAM":
double triArea2 = 264 * 84 / 2;
double bigRectArea = 284 * 264 - triArea2;
double smallRectArea = 180 * 106;
double totalArea2 = bigRectArea + smallRectArea;
double price2 = totalArea2 * 180;
Console.WriteLine($"{price2} poses");
return price2;
default:
Console.WriteLine("error");
return 0;
}
}