del curso Zach receives a notification from the IRS that he owes money.Which of the following indicates that the notification is real and not a scam? The IRS calls him and demands he pay taxes he owes within 24 hours The IRS threatens to send local law enforcement if he does not send the money he owes in a timely manner The IRS sends him a formal letter in the mail notifying him of taxes he owes The IRS texts him from an unknown number