Three $1000 face amount XYZ Corporation bonds with annual Coupons are on sale now. All have equal risk, the same number of years to maturity, and the same general terms, with one have equal risk, the same number of years to maturity, and the same general terms, with one exception: Bond 2 callable after 5 years. Coupon rates and prices are as in the table below
Bond Price Coupon Rate
Bond 1 $850 4%
Bond 2 $860 6%
Bond 3 $950 7%
Find the cost of the call feature.