Table 3 shows an information about production situation at Factory B. Calculate below question based on Table 3. Value for x will be determine by your unique number. Please indicate your unique number before answering the question. Table 3: Production Requirement in Factory B No Description Cost (RM) 1 Ordering cost RM 90.00 2 Annual holding cost (per unit) RM 150.00 3 Annual usage (quantity) 4,860 + x x value (unit) Unique number -9,-8,-7,-6,-5,-4,-3,-2,-1 0 0 555 1,2,3,4,5,6,7,8,9 1140 (a) Compute the total cost of operation based on optimal quantity. [10 marks] 15 marks] (b) Determine number of orders per year based on optimal quantity. (c) List up FIVE most importance function of inventories