I have an SMP computer with 2 processors, known as P0, P1. I have a job to complete consisting of 5 tasks.  Task A is payroll, task B is IRS reporting, task C is Social Security Reporting, and task D is NJ Department of Taxation Reporting. Task E is  employee reporting. Task A must be performed first; its output is used by B,C,D. Tasks B, C, and D can be performed independently. Taske E can only be performed after B,C,D are complete. Task A takes 20min, B 10min, C 5min, D 5min, and E 10min. What is minimum turnaround time for a job? (A task that starts on a cpu stays there to the end and cannot execute on two CPUs at the same time). Assume OS overhead is 0.   explain me please step by step if neccesry please use formula too

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