Nabisco is developing a new vegan, cheddar$-$flavored taco. The marketing strategy for the product has already been developed and presented to top management. Several prototypes were also formulated by the company's R&D team. The final prototype is now being tested rigorously to ensure that it passes FDA standards. Once approved, the next step will most likely be $\_\_\_\_\_\_\_\_.$

business analysis

portfolio analysis

commercialization

internal marketing

test marketing

none of these