Package and Mail Co. applied the high-low method of cost estimation to customer order data for the first 4 months of 2018. What is the estimated variable order- niling cost component per order? What is fixed cost? Month Cost $ January February March April No. of Orders 9,600 10,400 15,600 14,400 1,560 1,572 2,160 1,948 What is the total cost for 13,500 orders