6. value 1.50 points Problem 11-27 < Question 6 (of 15) > Save & Exit Submit Sarah's Muffler Shop has one standard muffler that fits a large variety of cars. Sarah wishes to establish a reorder point system to manage inventory of this standard muffler. Annual demand 3,500 mufflers Standard deviation of daily demand 6 mufflers per working day Rem cost $ Annual holding cost 35 per muffler 40 % of item value Ordering cost Service probability Lead time Working days $ 55 per order 90% 2 working days 300 per year Use the above information to determine the best order size and the reorder point: (Use Excel's NORMSINV() function to find the correct critical value for the given a-level. Do not round intermediate calculations. Round "2" value to 2 decimal places and final answer to the nearest whole number.) Best order size Reorder point mufflers mufflers