A certain part is produced in a batch sizeof50 units and requires a sequence of 8 operations in the plant. The average set – up time and average non – operation time per operation are 3 hours and 7hours, respectively. The average operative time per mechine per part is 6minutes. What is the manufacturing lead time?
(a) 100 hours (b) 120 hours (c) 150 hours (d) 180 hours