The White Wonder Ski Company manufactures skis in the finishing and assembly process. Skis are manufactured in 40-ski batch sizes. The finishing time is 20 minutes per ski. The assembly time is 14 minutes per ski. It takes 8 minutes to move a batch of skis from finishing to assembly.

a. Compute the value-added, non-value-added, and total lead time of this process.

b. Compute the value-added ratio. Round to one decimal.