Demand for a production process is 60 units per period. Holding cost is $2 per unit per period, and setup cost is $175. a. What are and for this process and the associated cost per unit time? b. Round to the nearest 100 (i.e., 100, 200, 300, etc.) for a new value of . What is the difference in per time unit cost between this lot size and ? What is the new ? c. Round to the nearest integer for a new value of . What is the difference in per time unit cost between this lot cycle time and ? What is the new ? d. Name two assumptions in the EOQ model