Tuff-Rider, Inc., manufactures touring bikes and mountain bikes in a variety of frame sizes, colors, and component combinations. Identical bicycles are produced in lots of 100. The projected demand, lot size, and time standards are shown in the following table: e a Item Touring Mountain Demand forecast 6,000 units/year 8,000 units/year Lot size 90 units 100 units Standard processing time 0.30 hour/unit 0.75 hour/unit Standard setup time 2 hours/lot 3 hours/lot The shop currently works 8 hours a day, 5 days a week, 50 weeks a year. It operates five workstations, each producing one bicycle in the time shown in the table. The shop maintains a 15 percent capacity cushion. How many workstations will be required next year to meet expected demand without using overtime and without decreasing the firm's current capacity cushion? The number of workstations required next year is (Enter your response rounded up to the next whole number.)