There are five activities in making one toy: cutting, sewing, stuffing, assembling, and packaging. The activities have to be carried out in this order. The processing time of each activity is given below:

Activity Processing time

$($minutes per toy$)$

Cutting $10$

Sewing $10$

Stuffing $5$

Assembling $5$

Packaging $25$

Demand rate is $4$ toys per hour. Currently we have worker A in charge of cutting, worker B in charge of sewing and stuffing, and worker C in charge of assembling and packaging. Which of the following strategies will increase the process capacity by balancing the line?

Multiple Choice

Moving assembling to worker B$.$

Adding two additional workers to assembling.

Moving packaging to worker A$.$

Adding one additional worker to assembling.