Answer:
a. Increase the number who intend to purchase Diesel jeans.
Explanation:
The promotional objective should Diesel set is to increase the number of people who intend to purchase a Diesel jean.
The Promotional objectives that a company should pursue depends on the existing achievements of the brand in the market place, normally promotional objectives will include: attraction of new customers, increasing sales, raising product awareness, and/or expansion of market penetration.
In the scenario, there's already a high level of product awareness, and little need for attraction of new customers. hence the only key objective that is to be pursued at this stage is increase in sales.