Stella's Pizza is a pizzeria operating in a competitive market. It's short-run production function is shown below. Stella's weekly cost of plant is $900, its cost of labor is $400 per worker, and its cost of the ingredients used to make pizza is $4 per pie. The going market price of pizza is $12 per ple. In this scenario, Stella's is technically efficient if it employs _workers and produces pizzas. (Check all that apply.) Workers Pizzas 158 240 306 364 416 464 509