Bold vision, inc., makes laser printer and photocopier toner cartridges. the demand rate is 630 ep cartridges per week. the production rate is 1 comma 725 ep cartridges per week, and the setup cost is $90. the value of inventory is $130 per unit, and the holding cost is 30 percent of the inventory value. bold vision operates 52 weeks per year. what is the economic production lot size?