Final answer:
The correct method to measure bacterial contamination in processed peanut butter is total plate count.
Step-by-step explanation:
The subject of this question is Business and the grade level is High School. The correct answer to the question is option B: total plate count. This method is used to measure the concentration of bacterial contamination in processed peanut butter. Total plate count involves culturing the sample on agar plates and counting the number of bacterial colonies that grow.
Among these options, total plate count is often the standard method used for determining the concentration of bacterial contamination in foods such as processed peanut butter.