I am not looking for the answer I just need the formula/steps to solve it since I have to calculate it manually and I only have a scientific calculator plus I don't have a financial calculator and I can't use excel on the exam.

I already know that price is 1,124.72
P=(40/1+.035)+(1000/(1+.035)^2)

A 30-year maturity, 8% coupon bond paying coupons semiannually is callable in five years at a call price of $1,100. The bond sells at a yield to maturity of 7%, or 3.5% per half-year.

a. What is the yield to call?