You are trying to estimate the beta of a private firm that manufactures home app

You are trying to estimate the beta of a private firm that
manufactures home appliances. You have managed to obtain betas for publicly
traded firms that also manufacture home appliances.FirmBetaDebtMV
of EquityBlack & Decker1.40$22500$3000Fedders Corp.1.20$5$200Maytag Corp.1.20$540$2250National Presto0.70$8$300Whirlpool1.50$2900$4000The private firm has a debt equity ratio of 25% and faces a
tax rate of 40%. The publicly traded firms all have marginal tax rates of 40%
as well.a. Estimate the beta for the private firm.b. What concerns if any would you have about using betas
of comparable firms?