How much is the worlds expensive dog?

Could you elaborate on the staggering value of the world's most expensive dog? What breed is it? What factors contributed to its astronomical price tag? Has there been a recent surge in the demand for such high-end pets? And perhaps, how does the price compare to other luxurious items in the market? Surely, there must be an intriguing story behind this record-breaking canine. I'm eager to hear more about its background and what makes it so unique.