Walton and Company is the managing investment banker for a major new underwriting. The price of the stock to the investment banker is $$20$ per share. Other syndicate members may buy the stock for $$21\mathrm{.}25.$ The price to the selected dealers group is $$21\mathrm{.}80,$ with a price to brokers of $$23\mathrm{.}20.$ Finally, the price to the public is $$25\mathrm{.}50.$

If Walton and Company sells its shares to the dealers group, what will the percentage return be$?$

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

If Walton and Company performs the dealer$$s function also and sells to brokers, what will the percentage return be$?$

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

If Walton and Company fully integrates its operation and sells directly to the public, what will its percentage return be$?$

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.