Anderson Lawn Service provides mowing, weed control, and pest management services for a flat fee of $140 per lawn per month. During November, Anderson collected $6,500 in cash from customers, which included $560 for lawn care provided in October. At the end of November, Anderson had not collected from 11 customers who had promised to pay in December when they returned from vacation.

Required:

Calculate the amount of Anderson's revenue for November. $