Question 6 1 pts An n=12 year callable bond is issued. The face (par) value of the bond is F = $400. The bond has annual coupons with an annual effective coupon rate of r = 5.9%. The yield rate is an annual effective rate of i = 4.5%. The bond may be called at face (par) value at any time on or after the 9th coupon payment. Determine the time at which the bond will be called. Your answer will be an integer