_________ is the name of Iran’s existing currency ?

a) Sian
b) Rial
c) Shekel
d) Yen

Iranian lawmakers voted on May 4, 2020 to change Iran’s national currency from ‘rial’ to ‘toman’. Under the amended law, the existing currency of Iran will continue to remain valid alongside “toman” for two years, during which the old coins and bills will be gradually collected to replace them with new ones.