sparking Inc. sells beauty supplies. the annual demand for a skin spackle is 17,000 units. the cost of placing an order is $50, while the holding cost per unit per year is 20 percent of the cost. this item currently costs $12.50 if the order quantity is less than 1500. For orders of 150`units up to 10,000 units the cost falls to $12.45 and for orders of 10,001 orgreater, the cost falls to $12.40

i. to minimize total cost, how many units should sparking Inc. order each timeit places a order?

ii.What is the minimum total cost