Consider the following information: Demand rate (D)=270 units per hour Lead time (T)=7 hours Container capacity (C)=25 units Safety factor (x)=15% a. The number of kanban production cards is (Enter your response rounded up to the next whole number.) b. The cards will represent hours' worth of demand. (Enter your response rounded to one decimal place.) c. Suppose the lead time is reduced to six hours. The number of kanban production cards is (Enter your response rounded up to the next whole number.) The cards will represent hours' worth of demand. (Enter your response rounded to one decimal place.)