Exercise 2 Solution:

a) PIC S9(11)V99 COMP-3 (signed packed decimal, 11 integer digits, 2 decimal) - b) 'A' = Active, 'C' = Closed, 'F' = Frozen, 'D' = Dormant, 'P' = Pending - c) ACCT-CUST-NUMBER at positions 11-20, non-unique (one customer can have multiple accounts) - d) 400 bytes (as stated in the copybook header) -