18. Verizon Communications, Inc. bills all its customers for service provided, and collects cash at a later date. On December 31, 2016, its Accounts Receivable balance was $17,513 millions and on December 31, 2017, the Accounts Receivable balance was $23,493 millions. If its Sales Revenue for the year 2017 was $126,034 millions, determine Verizon's total cash received from customers in 2017. A. $132,114 millions B. $120,054 millions C. $114,972 millions D. cannot be determined based on the information provided