Company PQR possesses a zero-coupon bond that matures in one year. This bond comes with a face value of USD 2,000,000 and carries no recovery value in the event of default (0% recovery rate). Currently, the bond is priced at 75% of its face value. Additionally, the risk-free interest rate, compounded continuously, is 3% per annum. Utilizing the risk-neutral binomial tree approach, calculate the estimated risk-neutral probability of default for Company PQR over the one-year period.