Please show all calculation with formula step by step

Now assume that you are comparing the price-to book ratios of the 13 largest banks in the United States in 2000. The following table summarizes the price-to-book ratios and the returns on equity earned by these firms

Company Name			PBV	ROE
Wachovia Corp.			2.05	18.47%
PNC Financial Serv.			2.54	21.56%
SunTrust Banks			1.91	15.35%
State Street Corp.			6.63	19.52%
Mellon Financial Corp.			4.59	23.95%
Morgan (J.P) & Co			1.74	19.39%
First Union Corp.			1.52	19.66%
FleetBoston Fin'l.			2.25	20.15%
Bank of New York			7.01	25.36%
Chase Manhattan Corp.			2.60	24.60%
Wells Fargo			3.07	17.72%
Bank of America			1.69	19.31%
BanK of Montreal			1.23	18.08%

a.If you were valuing SunTrust Banks relative to these firms, would you expect it to have a higher or lower price-to-book ratio than the average for the group? Explain why.

b.If you regress price-to-book ratios against returns on equity, what would your predicted price-to-book ratios be for each of these companies?