Draw a multiple activity chart for washing the dishes in a double-sided sink. Two people participate, one washing, the other rinsing and drying. The rinser dries a batch of 5 dishes from the drip rack as the washer fills the right sink with a batch of clean but unrinsed dishes of size 5. Then the rinser rinses the clean batch and places them on the drip rack. While the rinser is doing the rinsing operation, the washer cannot place new dishes into the right sink. Also, the rinser does not start the rinsing operation unless there are 5 dishes in the right sink. Compute total idle time of each worker in a ten minutes time period. Assume that washing a dish always takes 50 sec., rinsing a dish always takes 30 sec, and drying a dish always takes 30 sec.