"Consider a firm with zero-coupon bonds that mature in 9 months and combined face value of $90,000. The market value of the firm's assets is $95,000 and the standard deviation of returns of the assets is 22%. The risk-free rate is continuously compunded 6%. What is the YTM on the bonds (semiannually compounded)?"

Show your work, and please label all acronyms used (e.g. PV = present value)