Nerrod Company sells its products at $860 per unit, net 30. The firm's gross margin ratio is 40 percent. The firm has estimated the following operating costs: Activity Cost Driver and Rate Sales calls Order processing Deliveries Sales returns $580 per visit 190 per order $85 per order $0.50 per mile $100 per return and $3.00 restocking per unit returned Nerrod Company has gathered the following data pertaining to activities it performed for two of its customers: XBT 28 680 NINTO Number of orders Number of parts per order Sales returns: 2,180 10 50 Number of returns Number of units returned Number of sales calls Miles per delivery shipping terms 40 15 10 FOB, Factory 20 FOB, Destination What is Nerrod's total customer batch-level cost applicable to Ninto