I can't understand the answer for this question. Why it uses the 4 year zero coupon bond YTM as the YTM for coupon bond?

I did in this way:

$1,000) What is the price of a 4-year maturity bond with a 10% coupon rate paid annually? (Par value = A. 742.09 B. 1222.09 100 1/00 C. 1035.66 IS. of x + D. 1141.84 147.67 % ) 2The following is a list of prices for zero coupon bonds with different maturities and par value of $1,000. Maturity (Years) Price $925.16 IN $862.57 $788.66 $711.00 What is the price of a 4-year maturity bond with a 10% coupon rate paid annually? (Par value = $1,000) A. $742.09 B. $1,222.09 C. $1,035.66 D. $1, 141.84 E. None of these is correct. ($1,000/$711) 1/4 -1 = 8.9%; FV = $1,000, PMT = $100, n = 4, i = 8.9%, PV = $1,035.66