Final answer:
Mahala should politely explain the return policy and offer alternative solutions if eligible.
Step-by-step explanation:
The best response by Mahala would be to politely explain the company's return policy to the customer and apologize for any inconvenience caused. Mahala can offer alternative solutions, such as exchanges or store credit, if the customer is not eligible for a refund. It is important for Mahala to remain calm, empathetic, and professional throughout the interaction.