Final answer:
In a Muni Variable Rate Demand Note, the muni bond gives a tender option at par as of the maturity date.
Step-by-step explanation:
A Muni Variable Rate Demand Note is a municipal bond that gives the investor the right to sell it back to the issuer at par value on a specific date. The answer to your question is A) Maturity. The tender option at par is available as of the maturity date, allowing the investor to sell the bond back to the issuer at its face value.