Suppose a corporate bond has a face value of 1,000 yuan, an annual interest rate of 10%, is issued on January 1, 2010, and matures on January 1, 2017, with simple interest calculation, interest payment once a year, and principal repayment at maturity. Investors reinvest the interest at compound interest every year. The investor purchased the bond on January 1, 2015, with an expected return rate of 12%, based on the following value evaluation formula:

Calculate the purchase price of the bond.

n ixF F + V = (1+) (1+r)" t=1