"hath a dog money?" explain this sentence with reference and details

Shylock says this when Antonio comes to him for money. In context, his response reminds Antonio that he'd spat on Shylock's beard and kicked him like a stray mutt. In essence, he's saying, "You treat me like and animal and then want to borrow money. In conclusion, Shylock reminds Antonio, "Shouldn’t I say, “Does a dog have money? Is it possible for a mutt to lend three thousand ducats?”