She said Bank Indonesia meanwhile had projected the country's economy to grow between 6.2 and 6.8 percent in 2008 with an inflation rate at 5 percent plus and minus one percent, the key interest rate for three months at 7.5 and 8.0 percent, the rupiah exchange rate at Rp9,000 and Rp9,300 against the US dollar, the oil price at US$56 per barrel and oil output at 1.034 and 1.040 million barrels a day.