Mcphee company manufactures rugs in the cutting and assembly process. rugs are manufactured in 70-rug batch sizes. the cutting time is 14 minutes per rug. the assembly time is 24 minutes per rug. it takes 18 minutes to move a batch of rugs from cutting to assembly. what is the value-added lead time?
a. 14 minutes
b. 56 minutes
c. 38 minutes
d. 24 minutes