Process Routines
Each process has routines to credit and debit balances
Deposit (Acctno, amt)
Balance[Acctno] = Balance[Acctno] + amt ;
Withdrawal (Acctno, amt)
if ( Balance[Acctno] > amt ) then
Balance[Acctno] = Balance[Acctno] - amt
else
Display “Call home ASAP!” ;
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