A manufacturer is planning to make an additional item, which would be processed sequentially in 4 departments (1,2,3, and 4). The company proposes to produce 6500 units per year, working 250 days per year. The estimates of time are given in the below. The down times of machines for the four departments are 13%,15%, 16%, and 18% respectively for each of the four departments. The average processing time in minutes and the percentage of defective items in each department are given below. Determine the \# of units that must be produced in each department if all defective units are scrapped. Determine the number of machines needed in each department to meet the production goals [4 Points]