Tire Corp.is a small auto merchant organized in Delaware.It is wholly owned by Bill Smith,aresident of New York.Atlas Bank has decided to make a loan to Tire Corp.,secured by its equipment,inventory and accounts receivable.It also wants Bill Smith to guarantee the loan, and secure that guarantee with all the outstanding stock of Tire Corp. (represented by a certificate). The Bank asks you to advise it about the following:

1) How and where does it perfect its security interest in Tire Corp.'s equipment, inventory and accounts receivable?

2) If the Bank were to file a financing statement against the certificate owned by Bill Smith, where would it file?

3) What is the best way for the Bank to perfect its security interest in the certificate?