Penney Clouse sells tank tops for Tank Tops LLC. Her annual salary is $25,000 per year and she is paid on a weekly basis. During the second quarter of the year, Penney's total sales were $15,000. Penney is also paid a commission for her quarterly sales, see below. For the first pay of September, what is her gross pay? Round all calculations to two decimal places.

$0 to $10,000 0.50%

$10,001 to $25,000 1.50%

$25,001 to $50,000 3.75%