Economy1 (Iran) =============== Currency: Iranian rial (plural - rials); 1 Iranian rial (IR) = 100 dinars; note - domestic figures are generally referred to in terms of the toman (plural - tomans), which equals 10 rials Exchange rates: Iranian rials (IR) per US$1 - 65.515 (January 1992), 67.505 (1991), 68.096 (1990), 72.015 (1989), 68.683 (1988), 71.460 (1987); note - black-market rate 1,400 (January 1991) Fiscal year: 21 March - 20 March