Questions 46-48 refer to the following letter. Theater Digest 125 Lake Ave Chicago, IL, 606i6 Dear Subscriber, Your subscription to Theater Digest will end in two months. Please don't let that happen. Take time to renew your subscription today. By doing so, you will continue to receive every month theway latest in theater reviews, information on actors and directors, and up-to-date reports on newdramas and musical for the next year. I’ve attached an invoice for your renewal order. You will receive 12 issues for special lowprice of $35. Please send your payment in the reply envelop provided. Make any corrections to yourname or address right on the back of the invoice. Then visit our website at www.theaterdigest.comto read about contests for readers. You could win tickets to great show. Sincerely. Matthew Chambers Customer Service Representative What is the purpose of this letter?
A. To advertise a new publication. B. To encourage subscription renewal. C. To correct a billing error. D. To request a donation.