The Hip Fit Jean Company manufactures jeans in the cutting and sewing process. Jeans are manufactured in 75-jean batch sizes. The cutting time is 7 minutes per jean. The sewing time is 12 minutes per jean. It takes 15 minutes to move a batch of jeans from cutting to sewing.

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.