Please provide the process

Time Task Predecessor (sec) 45 J K 50 40 L M 55 40 N J J KL M M N 0.P O 65 P R 25 35 The process design team at a bicycle manufacturer has broken an assembly process into eight basic steps, each with a required task time and predecessor (if appropriate) as shown in the table. There are 8 productive hours (or 28,800 seconds) available in a day, and the manufacturer wishes to produce 400 units. Use this information to answer the following question: What is the theoretical minimum number of workstations needed if the line is balanced using the appropriate takt time