Bond P is a premium bond with a coupon of 6.3 percent , a YTM of 6.59 percent, and 19 years to maturity. Bond D is a discount bond with a coupon of 6.3 percent, a YTM of 9.91 percent, and also 19 years to maturity. If interest rates remain unchanged, what is the difference in the prices of these bonds 4 year from now? (i.e., Price of Bond P - Price of Bond D) Note: Corporate bonds pay coupons twice a year.