During his first month of employment, Jon took a draw of $5\%$ against his minimum sales amount of $$15,000$ in monthly sales that must be deducted from his pay during the first month that he reaches his minimum sales amount. He receives $$33,600$ annually in base salary plus a $5\%$ commission on his sales. He receives his base salary on a semimonthly basis and receives his commissions on the final pay date of each month. During his second month of employment, Jon sold $$42,500$ of equipment. What is Jon's gross pay for the end of the second month of employment?