A risk analyst is evaluating company XYZ's bond. The bond matures in 5 years, has a face value of USD 1 billion, and is XYZ's only debt. Assume a put option on XYZ's assets with a strike price of USD 1billion is available and is valued at USD 38.267 million, a portfolio of 5-year US Treasury notes with a total face value of USD 1billion is currently priced at USD 883.181 million, and that the continuously compounded risk-free rate is 2.5% per year. What is the approximate 5-year credit spread on XYZ's bond? A. 0bps B. 61bps C. 87bps D. 90bps.