Daube Industries' operations for the month of October are summarized as follows: A. Provided $9,000 of services in October on account. B. Received $3,800 cash from customers for services provided in October. Received $1,900 cash for services to be provided in November. Received $3,300 cash from customers on account for services provided in September. . Paid September's warehouse rental bill on account in the amount of $1,400. F. Received October's warehouse rental bill of $1,000; set it aside to be paid at a later date. Required