JJ Motors, Inc., employs 45 sales personnel to market its line of luxury automobiles. The average car sells for $23,000, and a 6% commission is paid to the salesperson. JJ Motors is considering a change to a commission arrangement that would pay each salesperson a salary of $2,000 per month plus a commission of 2% of the sales made by that salesperson. The amount of total monthly car sales at which JJ Motors would be indifferent as to which plan to select is