An investment bank agrees to underwrite an issue of $12$ million shares of stock for Looney Landscaping Corporation.

a$.$ The investment bank underwrites the stock on a firm commitment basis, and agrees to pay $$15\mathrm{.}00$ per share to Looney Landscaping Corporation for the $12$ million shares of stock. The investment bank then sells those shares to the public for $$16\mathrm{.}50$ per share. How much money does Looney Landscaping Corporation receive? What is the profit to the investment bank? If the investment bank can sell the shares for only $$13\mathrm{.}75,$ how much money does Looney Landscaping Corporation receive? What is the profit to the investment bank?

b$.$ Suppose, instead, that the investment bank agrees to underwrite the $12$ million shares on a best efforts basis. The investment bank is able to sell $9\mathrm{.}9$ million shares for $$15\mathrm{.}00$ per share, and it charges Looney Landscaping Corporation $$0\mathrm{.}350$ per share sold. How much money does Looney Landscaping Corporation receive? What is the profit to the investment bank? If the investment bank can sell the shares for only $$13\mathrm{.}75,$ how much money does Looney Landscaping Corporation receive? What is the profit to the investment bank?

$($For all requirements, enter your answers in dollars, not in millions. Negative amounts should be indicated by a minus sign.$)$

$\backslash$table$[[,],[$a$.,$Amount received by Looney Landscaping Corp. @ $$15\mathrm{.}00$ per share,$],[,$Investment banker's profit if shares are sold @ $$16\mathrm{.}50$ per share,$],[,$Amount received by Looney Landscaping Corp. @ $$13\mathrm{.}75$ per share,$],[,$Investment banker's profit if shares are sold @ $$13\mathrm{.}75$ per share,$],[$b$.,$Amount received by Looney Landscaping Corp. @ $$15\mathrm{.}00$ per share,$],[,$Investment banker's profit if shares are sold @ $$15\mathrm{.}00$ per share,$],[,$Amount received by Looney Landscaping Corp. @ $$13\mathrm{.}75$ per share,$],[,$Investment banker's profit if shares are sold @ $$13\mathrm{.}75$ per share,$]]$