Delta Company uses its computer system to issue payroll checks. Ed, a Delta employee, uses the system without authorization to issue himself a check for $5,000. City Bank, Delta’s bank, cashes the check. The bank need not recredit Delta’s account for the entire $5,000

a. if Delta owed Ed $5,000 in unpaid wages.

b. if the bank took reasonable care to determine whether the check was good.

c. if Delta took reasonable care to limit access to its payroll system.

d. under any of these circumstances.