Daube Industries' operations for the month of October are summarized as follows: A. Provided $6,400 of services in October on account. B. Received $3,300 cash from customers for services provided in October. C. Received $1,100 cash for services to be provided in November. D. Received $4,600 cash from customers on account for services provided in September. E. Paid September's warehouse rental bill on account in the amount of $1,300. F. Received October's warehouse rental bill of $1,400; set it aside to be paid at a later date. Required: a. Prepare journal entries to record the transactions identified among activities (A) through (F). b. Calculate the Net income. Complete this question by entering your answers in the tabs below. Prepare journal entries to decord the transactions identified among activities (A) through (F). (If no entry is required transaction/event, select "No Journal Entry Required" in the first account field.)