2 will you please show your work thank you!

Sadik Inc.'s bonds currently sell for $1,299.80 and have a par value of $1000. They pay a $105.00 annual coupon and have a 12-year maturity, but they can be called in 8 years at $1,231.00. What is their yield to call (YTC)? Round your answer to two decimal places. For example, if your answer is $345.6671 round as 345.67 and if your answer is .05718 or 5.7182% round as 5.72. 7.57% 8.18% 5.91% 6.36% 7.8896