Global Manufacturing Inc. is a manufacturing company that sells medical equipment products. Recently the company launched an MRI machine with a unique design that has been selling well in the U.S. market. Senior Vice President Marc Wallace, even recommended expanding sales overseas in order to increase company revenues. In reviewing his fulfillment process, Jack realizes that different customers opt for different types of shipping based on their preferences. Which of the following would most likely help Jack provide better shipping service to his customers? Select one: a. reduce costs by implementing a cheaper but slower delivery method b. offer customers a choice of delivery methods with different speeds and costs c. implement a universal delivery method to capitalize on efficiency gains d. introduce overnight delivery but at a very high cost