Quantum Corporation sells three different products. The following information is available on December 31: Inventory Item Units Cost per unit NRV per unit X 100 $12.00 $9.00 Y 200 $6.00 $3.00 Z 500 $9.00 $12.00 When applying the lower-of-cost-or-net realizable value rule to each item, what will Quantum report as its cost of ending inventory on December 31? Select one:

A. $6,000 B. $6,900 C. $7,950 D. $6,600