please solve the whole question (a,b)

Question: 03 A worker work in a semi hydraulic juicer shown in the figure below. The worker loads the juicer with the fruit in the loader hopper and start the juicer which automatically run in its own. The juice is collected through the dispenser in a bucket. The operator collects the juice and place a label on the bucket and clean the waste in the waste bin and carry the bucket to quality control station. After finishing the quality control, the operator takes the juice to a final packaging station and come back to the juicer for a second run. The time for all the activities is given in the table below. For safety regulations, the juicer can't be run during loading and cleaning operations. a. Draw the machine operator chart with the lowest cycle time. b. Determine the percentage of the idle time for the operator and the juicer