Answer:
C.)relatively low cost
Step-by-step explanation:
Personal selling involves the use of a sales team to engage customers and convince them to buy. It is a one-on-one interaction between the seller and potential buyer.
Personal selling is a costly affair. Each salesperson can only engage one client at a time. To engage a large number of customers, a big team of salespeople is required. The hiring of good salespeople, training them, salaries, bonuses, and commissions can be expensive.