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If the income elasticity of demand is negative,this means that the good is
SPIN Approach
A selling technique based on Situation, Problem, Implication, and Need-payoff questions to understand customer needs and propose solutions.
Presentation
A formal or informal display of information, typically with the aim to inform, persuade, or entertain an audience.
Direct Questions
Questions that are straightforward and aimed at getting specific information from the customer.
Useful Details
Specific, relevant information or facts that support understanding or decision-making in a particular context.
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