Please show all steps and double check your work.

Please use this example as a reference because it's correct and I cannot follow the math: https://www.chegg.com/homework-help/questions-and-answers/question-5-0-1-pts-pqr-co-semiannual-pay-653-percent-coupon-bonds-ytm-568-percent-current--q45602810?trackid=BUYLMycD

I will give a thumbs up for the correct answer!

Question 5 1 pts PQR Co. has semiannual-pay 6.3 percent coupon bonds with a YTM of 5.5 percent. The current yield on these bonds is 5.77 percent. How many years do these bonds have left until they mature? Answer to two decimals, carry intermediate calcs. to four decimals