The Bradley Corporation produces a product with the following costs as of July 1, 20X1: Material $4 per unit Labor 4 per unit Overhead 2 per unit Beginning inventory at these costs on July 1 was 4,250 units. From July 1 to December 1, 20X1, Bradley Corporation produced 14,500 units. These units had a material cost of $2, labor of $4, and overhead of $2 per unit. Bradley uses LIFO inventory accounting. a. Assuming that Bradley Corporation sold 18,000 units during the last six months of the year at $13 each, what is its gross profit