Castner Corporation is considering implementation of a JIT inventory system. The company's industrial engineer recently conducted a study to determine the average number of days spent in each activity of the production process. The following table summarizes her findings:

Production Activity	Number of Days
Inspecting materials		3
Storing materials		17
Moving materials into production		3
Setting up production equipment		2
Cutting materials		6
Bending materials		5
Assembling finished products		9
Painting finished products		5

c.	Calculate Castner's total cycle time.

Total cycle time

???days

d.	Determine Castner's manufacturing efficiency ratio. (Omit the "%" sign in your response.)

Manufacturing efficiency ratio

???? %