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Christmas Express makes wreaths in batch sizes of 25. The cutting and assembly process takes 4 minutes per wreath, and the decorating process time is 15 minutes per wreath. It takes 5 minutes to move the wreaths from the cutting and assembly process to the decorating process.

a. Compute the value-added, non-value-added, and total lead times of the wreath process.

Value-added lead time	fill in the blank 1	minutes
Non-value-added lead time:
Move time	fill in the blank 2
Within-batch wait time	fill in the blank 3
Total lead time	fill in the blank 4	minutes

b. Compute the value-added ratio. Round to one decimal place. fill in the blank 5 %