C\&A Fast Food has four activities in serving a customer: greet customer, take order, process ordec, and deliver order, Each activity is staffed by one employee (for a total of four employees). The processing time for each activity is given as follows: Assume demand is unlimited. Each employee is paid $7.50 per hour. If one additional employee is added to the bottleneck activity, what will be the cost of direct laber in $ per customer? Muape Choice 050 03126 0.25 Assume demand is unlimited. Each employee is paid $7.50 per hour. If one additional employee is added to the bottleneck activity, what wil be the cost of direct labor in $ per customer? Multiple Choice 0.50 0.3125 025 0325