please answer all questions part by part

Determine EPP and production run sizes using Part-Period Method with detailed explanation considering setup cost =$100 per run; unit holding cost =$1.25 per period. Use the part-period method to determine production run sizes for the following demands (i.e., net requirement) for a manufactured part. 3. In the context of lot-sizing strategies in material requirement planning (MRP), which of the following is the primary goal? Maximizing holding cost Ensuring that the inventory size is constantly increasing Maintaining a constant level of inventory Minimizing the sum of annual ordering cost and holding cost. 4. ordering is a type of lot sizing method that covers the requirements of a predetermined number of periods. Backlot Fixed interval Fixed item Phased time