Question Content Area Christmas Express makes wreaths in batch sizes of $12.$ The cutting and assembly process takes $4$ minutes per wreath, and the decorating process time is $15$ minutes per wreath. It takes $3$ 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. Line Item DescriptionAnswerminutesValue$-$added lead timefill in the blank $1$minutesNon$-$value$-$added lead time:$$Move timefill in the blank $2$Within$-$batch wait timefill in the blank $3$Total lead timefill in the blank $4$minutes b$.$Compute the value$-$added ratio. Round to one decimal place.