A car manufacturer in China currently employs 40 production workers and 5 supervisors and producers. The marginal product of the last production worker employed is 60 units of output per month, and production workers are paid 50 CNY per hour. The marginal product of the last supervisor employed is 120 units of output per month, and supervisors are paid 80 CNY per hour. Question: 1. The company manufactured 2,100 cars per month before the last production worker was hired, how many cars does it produce now?