Final answer:
Using standard portion sizes helps to control food costs by ensuring consistent and predictable food costs for each meal or product, which is particularly beneficial for restaurants and food establishments.
Step-by-step explanation:
One benefit of using standard portion sizes is d. control food costs. By practicing portion control and understanding serving sizes as suggested by nutrition facts labels, businesses and individuals can avoid over-portioning their food. This is not just good for personal health and weight control, but it especially helps restaurants and food establishments to maintain consistent food costs and reduce waste. Standard portion sizes mean that each meal or product has a predictable cost associated with it, ensuring that pricing can be set accurately and profit margins maintained.