please show formula and steps

3. Consider a $1,000-par value zero-coupon bond maturing in two years, currently priced for $811.62. What is the yield to maturity? A) 10% B) 11% C) 12% D) 13% E) None of the options are correct A 10% coupon bond, face value of $1,000. with annual payments and 10 years to maturity is callable in three years at a call price of par value + 1 year of coupon (.e., $1,100). If the bond is selling today for $975, the yield to call is A) 10.00% B) 10.26% C) 10.41% D) 11.02% E) 13.98%