Vista Energy, Inc., is issuing 100 million dollars in 4.5% bonds maturing in 20 years. When purchased at issue, buyers will receive an additional security that allows them to purchase 20 shares of Vista Energy common stock at $50 per share anytime in the next 10 years. Vista Energy is currently tasing at $29.95 a share. This is an example of:

a warrant

a stock right

a follow-on offering

a call