Peterson Papers makes personalized stationery of the highest quality. The company maintains a stock of blank note cards, calling cards, stationery, and envelopes. Customers order online, indicating the product type, personalization (monogram, name), font style, and color. The following schedule is typical of an order of 100 calling cards: Activity Process order Wait for production to begin Pull calling cards from inventory Set up machine for font style and color Print calling cards Inspect cards Wait for packaging Package cards for shipping Wait for pickup by FedEx Minutes 8 50 10 4 32 2 8 4 60 Calculate the manufacturing cycle efficiency. Manufacturing time in minutes Value-added time in minutes Manufacturing cycle efficiency