FACILITY LAYOUT AND MATERIAL HANDLING

1. A vehicle component manufacturer has an annual order of 30 000 steering wheels. The factory operates two (2) shifts, 5 days per week, 4 weeks per month. The employees are afforded 1hr personal time per day. The plant efficiency is 85%. The steering wheel making process constitutes 4 main processes whose defectives rates are 5%, 2%, 4% and 2% respectively. Calculate the plant R-value