Amy is a salesperson for ABC Company. Although ABC never expressly authorized her to collect payments (cash and checks) from the customers, she routinely does so for some of her long standing customers and submits them to ABC, who accepted payment without issue. One day, Amy collects cash from one of her customers and runs off. The customer sues Amy and ABC Company. Who will be liable to the customer for the payment. a. Both Amy and ABC. b. ABC only. c. Amy only. d. Neither Amy nor ABC.