Part B: Research Market Data on BondsResearch the current (within the last two months) market data on bonds from AT&T, Dell, and IBM. Assume each bond has a par value of $1000, unless otherwise indicated.  Cite your sources.AT&TDellIBMCouponMaturityFrequencyRatingRequired:Complete the table above.Calculate the value of the bond if your required return is 5% on AT&T, 6.5% on Dell, and 8% on IBM.Determine the yield to maturity (YTM) on the bonds given the current price. Based on each bond’s ratings and your determination of its yield to maturity, explain how you rank each bond for risk and return.