Vivian owns a sunglass store in Key West, Florida. This store can sell 100 pairs of sunglasses per month. Currently, the sunglass cost $20 each pair and it takes 5 days to receive an order. Vivian pays the cost of $30 for each time she submits an order. Vivian uses 25% of item costs to compute annual holding costs and works 240 days in a year.
Which statement is Not correct?
A. The annual holding cost is $300.
B. Average inventory level is 60 pairs.
C. Vivian needs to place 10 orders per year.
D. The reorder point is 25 pairs.
E. The average time between two consecutive orders is 20 days.