Iom is a salesperson for HPM Industries which sells machines for moulding plastic furniture. HPM has developed a machine that is 50 percent smaller than what is currently on the market and costs 25 percent more. It is Tom's job to show potential customers how the new machine will save them money in the long-run. He must be able to address each customer's needs with technical know-how and an ability to communicate his knowledge. Which of the following best describes Tom's job title? retail salesperson service salesperson detail salesperson account representative technical representative