Problem 3) A retail company has determined that demand for a purchased item averages 240 units per week with a standard deviation of weekly demand equal to 50.5 units. The purchasing lead-time is 3 weeks. Answer the following questions assuming the company is willing to accept a stockout risk of no more than 2.8% (0280). 12 points Appendix B, Table B from Textbook z .00 ,01 .02 .03 1.5 9332 9345 .9357 .9370 1.6 .9452 9463 9474 9484 1.7 9554 .9564 9573 9582 1.8 9641 9649 9656 9664 1.9 9713 9719 9726 .9732 2.0 .9772 9778 .9783 9788 .04 .9382 9495 0591 9671 9738 9793 .05 .9394 9505 .9599 9678 9744 .9798 .06 .9406 9515 9608 .9686 9750 9803 .07 9418 9525 9616 .9693 9756 .9808 .08 .09 9429 .9441 9535 9545 9625 9633 9699 9706 9761 9767 9812 9817 Joola a. What is the acceptable stockout risk? What is the required service level? What z value should be used? I b. How much safety stock should he held? Show your work using the Microsoft Word equation editor or by typing to the right of the equation without using the equation editor. Round your answer up to an integer value if you calculate a fractional value. Safety Stock = zoaVLT = c. What reorder point should be used? Show your work using the Microsoft Word equation editor or by typing to the right of the equation without using the equation editor. Round your answer up to an integer value if you calculate a fractional value. ROP = (d * LT) + zodVLT =