Task $1$:

a$.$ Using BPMN$,$ draw a diagram based on following scenario:

$-$ A banking transaction is triggered by the ATM machine for withdrawal of money from a customer.

$-$ Upon receipt, the transaction must be checked against the money in the account to determine if the request can be fulfilled.

$-$ Depending on amount availability in the account the transaction may be confirmed or rejected.

$-$ If the transaction is confirmed, the money is withdrawn.

$-$ The process completes by archiving the transaction.