The goal is to find the costs for another 12 products from the 5th to the 16th. Should we use the unit table or the cumulative table? Which one is the more efficient way? Do you want to calculate the costs of 12 individual products and sum them up, or would you prefer to simply calculate the cumulative factor differences between the 16th and 4th products? It is important to decide on an appropriate table (unit or cumulative) to use depending on the