Mrs$.$ Meadows opened a biscuit shop called The Biscuit Bakery. The business was not incorporated. Whenever she ordered supplies, she was careful to sign the contract in the name of the business, not personally: The Biscuit Bakery by Daisy Meadows. Unfortunately, she had no money to pay her flour bill. When the vendor threatened to sue her, Mrs$.$ Meadows told him that he could only sue the business because all the contracts were in the business's name. Will Mrs$.$ Meadows lose her dough?

$1.$ The Biscuit Bakery is a$/$an $.$

$2.$ Was Mrs$.$ Meadows required to make any formal filings when she opened The Biscuit Bakery? $.$

$3.$ May the flour vendor recover the money he is owed from Mrs$.$ Meadows personally? $.$

$4.$ May the flour vendor recover the money he is owed from The Biscuit Bakery's shareholders? $.$