need help asap plz

solve just Q4

Star distribution network of light machinery in the Kingdom of Saudi Arabia, has decided to diversify its operations by adding a dairy products production plant. They are looking forward to market their dairy products throughout the Kingdom. The management is aware of the fact that an efficient supply chain is the key to the success in marketing and distribution of dairy products in the market. While a well designed inventory management system is most important component of any supply chain. To start up with designing the inventory systems the firm needs to know the importance of inventory management, types of inventories to be maintained to deal with the demand in the market, and to calculate the inventory costs to be competitive in the market. So as a step-1 in designing supply chain the firm needs to know inventory control steps and the methods used to set up an efficient inventory control system to deal with intense competition in the market. 3. Role of lead time in stock control 4. Which stock control model is appropriate for your company and why? A-Fixed Time Re-order Model: (1) It is also known as constant cycle time model where the time is considered instead of stock level. [1] Here the orders are placed at constant intervals of time. [3] the times for replenishment are chosen according to the convenience. It may be once a week, fortnight, one month or a quarter, bi annually, etc. (17) For example a vendor will visit the store in person and check the inventory of the respective products and resupply the products based on the sales for the time duration. B-Fixed order quantity: This method ensure regular replenishment of existing products. Only a fixed quantity can be ordered at one time for the item. when the product's inventory level hits the reordering point or minimum stock levels, an order is placed to the maximum stocking capacity of the product. 3. To use this method the retailer should know the minimum and maximum stocking capacity of the product based on space allocated and the sales trend. G.Open Access ain: Wltems are kept in a container or bin close to the Ueer with a bin card for issue and replenishment It is aho used for class C hitems of low value. Items are kept at work place and the workers are free to pick them when needed. Example is the nuts and bolts kept in boxes or drums at production hall. D-Two Bin System: It is like open access bin but two containersfins are kept instead of one near the workplace with bin cards. When the first bin is exhausted the materials are taken from other bin and store people refill the first bin. Example is the nuts and bolts kept at production place. Re-ordor level: (1] Basic approach to all stock control models is to establish a re-order level where the stock is replenished. []. Unlike other stock control models here a reorder level scalculated based upon the demand and lead time. At reorder level model the supply period by the suppliers is also taken into account. Reorder level provides more precise control over inventory and widely used in the business world