Indicate which of the following communication mediums would be most appropriate for sending each of the following messages: email, fax, phone, or face$-$to$-$face communication. Explain your answer in a sentence or two. $1.$Seeking advice from a peer regarding a challenging task.

$2.$ Notifying employees of dates and registration procedures for the annual sales meeting.

$3.$ Informing employees that a decline in product demand will require a $2-$week plant shutdown.

$4.$ Responding to a court subpoena, a medical clinic must submit electronic copies of a client's personal ad medical records to a lawyer's office in an adjacent state.

$5.$ Alerting a customer that an unexpected failure of production equipment will delay the delivery of an order.

$6.$ Exchanging workbook data files among employees collaborating on an annual budget.