You would like to buy shares of Sirius Satellite Radio $($SIRI$).$ The current ask and bid quotes are $$4\mathrm{.}06$ and $$4\mathrm{.}03,$ respectively. You place a market buy order for $560$ shares that executes at these quoted prices.

How much money did it cost to buy these shares? $($Round your answer to $2$ decimal places. Avoid $ sign$)$