Nantucket Industries manufactures and sells two models of watches, Prime and Luxuria. It expects to sell 4,000 units of Prime and 1,700 units of Luxuria in 2020.The following estimates are given for 2020: Prime Luxuria Selling price $200 $500 Direct materials 40 50 Direct labor 60 190 Manufacturing overhead 50 120 Nantucket had an inventory of 220 units of Prime and 115 units of Luxuria at the end of 2019. It has decided that as a measure to counter stock outages it will maintain ending inventory of 390 units of Prime and 220 units of Luxuria. Each Luxuria watch requires one unit of Crimpson and has to be imported at a cost of $10. There were 140 units of Crimpson in stock at the end of 2019.The management does not want to have any stock of Crimpson at the end of 2020. How many units of Prime watches must be produced in 2020