step by step process

There is a 3.5 pereont error rate at a specific point in a production process. If an inspectar is placed at this point, al me erors can be detected and eiminated. Howwer, the inspector is paid \$8 per hour and can inspect units in the process at the rale of 32 per hour. If no inspector is used and delects are allowed to pass this point, there is a cost of $9 per unit to correct the defect later on. a. What is the cost to inspect each unit? b. Is there beneft (or loss) from the current inspection process? How much