Consider a job shop currently dedicated to two one-time customer orders. Job 1 takes 5 days to process and job 2 takes 8 days. The company paid the materials for both jobs 1 day after the start of processing. The customer for job 1 pays the immediately upon the completion of the job, while customer for job 2 pays 1 day before the completion of the job. The cost and revenue for the jobs are listed below. Job 1 Job 2 Processing time 5 8 Time to pay 1 1 Amount to pay $2 $5 Time to receive 0 -1 Amount to receive $4 $8 When job 1 is processed before job 2, the cash gradient is