Final answer:
The 'Action' step of the AIDA process is designed to motivate the customer to make a purchase or take the desired action.
Step-by-step explanation:
The step of the AIDA process that should motivate your customer to act or purchase goods is Action. AIDA stands for Attention, Interest, Desire, and Action, which are the stages a consumer goes through during the purchasing process. Initially, a brand needs to capture the consumer's Attention; then, the product must hold the consumer's Interest. Afterward, the brand should create a Desire for the product or service. Finally, and most importantly, the process culminates with Action, where the consumer is motivated to make a purchase or engage with the product or service.