Use the below assembly line to answer the following four questions Question 9 Not yet answered WS Cycle time (min) Marked out of 8.00 P Flag question WA1 3.500 WA2 4.200 WA3 2.300 5 WA4 1.800 1. The production rate for the current assembly line unit/hr) is: 14 33 20 2. The bottleneck assembly workstation in the current assembly line is: WA2 WA1 WAS WA4 3. The line needs to be balanced so that the required plant rate is 2.500 min. The load of WAI after the balance will become: 76.1% 140.0% 70.096 83.396 4. The bottleneck assembly workstation after balancing the assembly line is WA3 WA1 WA4 WAZ