AQL stock is currently quoted at $48\mathrm{.}50$ bid, offered at $48\mathrm{.}70.$ A client

purchasing this security will pay:

A

$48\mathrm{.}50$ plus a commission

$48\mathrm{.}50$ minus a commission

$48\mathrm{.}70$ plus a commission

$48\mathrm{.}70$ minus a commission