Your investment bankers price your IPO at $$15\mathrm{.}12$ per share for $9\mathrm{.}4$ million shares. If the price at the end of the first day of trading is $$16\mathrm{.}67$ per$$ share,

a$.$ What was the percentage return on the first day of$$ trading?

b$.$ How much money did the firm miss out on due to$$ underpricing?