In which of the following situations is there a security interest in "chattel paper"?

1. Consumer buys a car from a dealer, using money borrowed from Chase Bank, to whom Consumer grants a security interest in the car.

2. Consumer buys a car from a dealer, signing an installment contract under which Consumer agrees to pay for the car in installments and the dealer retains title to the car until Consumer finishes making all installment payments.

3. Dealer obtains a loan from Bank to acquire more inventory, and grants Bank a security interest in all of its inventory, presently owned and after-acquired. The next day, Consumer buys a car from a dealer, signing an installment contract under which Consumer agrees to pay for the car in installments and the dealer retains title to the car until Consumer finishes making all installment payments.

4. Dealer obtains a loan from Bank to acquire more inventory, and grants Bank a security interest in all of its inventory, presently owned and after-acquired.