private void AddShapeCharges(Order order, int formatWidth)
{
foreach (Shape shape in Enum.GetValues(typeof(Shape)))
{
_stringBuilder.AppendFormat($"{{0, {-formatWidth}}}", shape + "s");
var quantity = order.Blocks.Count(b => b.Shape == shape);
var price = ShapeExtensions.GetPrice(shape);
var subtotal = quantity * price;
_stringBuilder.AppendLine($"{quantity} @ ${price} each = ${subtotal}");
}
}
