Anderson Lawn Service provides mowing, weed control, and pest management services for a flat fee of $300 per lawn per month. During November, Anderson collected $9,900 in cash from customers, which included $1,200 for lawn care provided in October. At the end of November, Anderson had not collected from 6 customers who had promised to pay in December when they returned from vacation.
Required:
Calculate the amount of Anderson's revenue for November?