Krumbly Companyuses the FIFO methodin its process costing system. At the beginning of the month, Department D's work in process inventory contained 2,000 units. These units were fully complete with respect to materials and 40% complete with respect to conversion costs, with a total cost at that point of $3,600. During the month, conversion costs amounted to $8 per equivalent unit.

If all 2,000 units are fully complete by the end of the month, their total costby that time will be:

A)$19,600

B)$10,000

C)$13,200

D)$9,000

Exercise 2-12 cost behavior; high-low method [lo2-3, lo2-4] speedy parcel service operates a fleet of delivery trucks in a large metropolitan area. a careful study by the company’s cost analyst has determined that if a truck is driven 120,000 miles during a year, the average operating cost is 11.6 cents per mile. if a truck is driven only 80,000 miles during a year, the average operating cost increases to 13.6 cents per mile. required: 1.& 2. using the high-low method, estimate the variable and fixed cost elements of the annual cost of truck operation. (round the "variable cost per mile" to 3 decimal places.)