Sprint Nextel Corporation (S) has 122.1 bilion in tocar debt (which approximates its market value) Eachyear this debt costs the compary about 51.5 billion in interest expense. The companys markat capitalitation approximates 517.2 belion, ats market beta is estimated 212 and 7 marginal tax rase is 35%. Assume that the risk free rate equals 4.64 and the market premium equals 5% Rounding instructions: Do not round untl your final answers. Round answers to one decimal place. (a) Estimate Sprint Nerters cost of debt capital (b) What does a beta of 2.12 mean regarding the volablity of Sprint Nexteis sock price. OSpnint Nexters stock paike decreases faster than the market index. CSprint Nextels seock price follows the market inder very closely. OSprint Nextels stock peice increases foster than the market index: OSpeiot Nexteis stock pirice tends to be volatile compared to the market inden. (6) Estimate Sorint Nexters cost of equity capital tdi Usini your rounded anwers from (e) and (d above estimate Sorint Nestelk weighted everaze cost of cagtal