Order quantity maximum inventory Total order received Average Usage rate inventory on hand A retailer knows that demand for her best selling product is constant at 50 per day. Whenever she calls her supplier she orders 500 items. It takes 2 days to receive an order from the time it is placed. Please match the variables with their values? Inventory level level) Minimum inventory OL Time Demand rate (slope) 50 per day Order Quantity (max inventory) 50 per day Average inventory 50 per day Re-Order Point (quantity left on-hand when order 500 items placed) Lead-Time (time that elapses from placing an order som plac samocy 50 per day until it is received)