Answer:
Bank security interest is superior to Alex's interest
Step-by-step explanation:
Security interest is the legal right granted by a borrower to the lender to take over the the debtors property in case he defaults in his repayment term.
Looking at the scenario , both the bank and Alex have security interest in Becky's property , however , the banks interest is superior as it Becky has initially used her properties including the ones to be acquired in future as security for her loan with the bank.
Moreover, the bank has perfected the security interest by filling a financial statement covering all of the collateral