High Plains Inc. manufacturers furniture in North Dakota. High Plains receives its wood from a lumber yard in Calgary. The lead time for orders is 3 weeks. One of their board costs $10 per unit and the holding cost for this board is $0.5 per week. They manage their inventory to achieve a 99 percent in-stock probability, Weekly demand is for 150 boards with a standard deviation of 200. Use Table 115 Answer is complete but not entirely correct. How many boards do they have on on order on average? 450 boards a b. How many boards do they have on hand on average? 616 boards . For this board what is the total holding cost incurred per week? $ 154 per week (Round your answer to 2 decimal places) What is the holding cost they incur per board? d $ 0.25 per board TABLE 11.5 In-Stock Probabilities and Matching Safety Factors, z Safety Factor, z In-Stock Probability In-Stock Probability 0.9000 Safety Factor, z 1.25 1.28 0.8944 0.9800 2.05 2.00 0.9773 0.9900 2.33 2.25 0.9878 0.9950 2.58 2.50 0.9938 0.9999 3.72 3.00 0.9987