Alpha Cleaning Equipment Co$.$ is developing a new street sweeper machine. It has a business plan and a detailed plan of action for the machine. According to the stagegate process, what is the next stage of the project?

Launch the product by producing it commercially and selling it$.$

Verify and validate the new product, its marketing, and production.

Begin the actual design and development including the details of manufacturing, marketing, and operations.

Build a business case to justify the project.