The answer is "d. problem-solving".
Problem-Solving Approach refers to a way to deal with offering in which the salesman works with the purchaser to assess elective answers for an issue and to choose the best; a consultative approach planned to manufacture long haul associations with customers.
In Problem-Solving Approach problem is now distinguished, sales representative need to characterize it to the client and after that reveal to him every one of the options accessible even of contenders to take care of the issue. He additionally clarifies his own particular organization's item/benefit, after that he assess the options precisely; doing correlations of all and afterward looked for the business call.
