Alexander is a stockbroker. He earns 13​% commission each week. Last​ week, he sold ​$5,300 worth of stocks. How much did he make last week in​ commission? If he averages that same amount each​ week, how much did he make in commission in​ 2011?
Last​ week, he made ​$689 in commission.
In​ 2011, he made ​$_____ in commission. Answer for missing box.