PC.73 The joint venture, IM Flash (Intel-Micron Flash Technologies) has a large flash memory fab in Lehi, Utah. Their monthly design capacity is 83,240 wafers whereas the effective capacity is 80,980. They regularly produce 77,520 wafers per month. What is the fab's efficiency rate? . Write your answer as a percentage . Display your answer to two decimal places. % What is the fab's utilization rate? . Write your answer as a percentage . Display your answer to two decimal places %