Final answer:
Viva Auto Supply Company is following the online retail model by allowing customers to enter their own orders for auto parts through their website.
Step-by-step explanation:
Viva Auto Supply Company is following the online retail model by using an e-commerce software program on its website to allow customers like Breeze Body Shop to enter their own orders for auto parts.
This model enables customers to make purchases directly through the website without the need for in-person interactions. By implementing this software, Viva Auto Supply Company is able to streamline the ordering process, make it more convenient for customers, and increase their online sales.