O'Neill Surfboards forecasts that company sales for July, August, and September with be $12,100, $10,900, and $12,300, respectively. The company's experience is that 40% of customers pay in the month in which they purchase, 35% pay the in the month following the month of their purchase, and 22% pay a month later. The remainder do not pay. What cast does O'Neill expect to collect in September? [Enter your answer to the nearest USD. Do not use a dollar sign or commas to separate thousands, just enter the number]