Metlock, Inc. sells three different products. The following information is available on December 31: Inventory Item Units Cost per unit Market value per unit X 270 $3.60 $3.00 540 $2.00 $1.50 2 1350 $3.00 $3.50 Y After applying the lower-of-cost-or-net-realizable-value rule to each item, what will Metlock total ending inventory balance be? $6102 $7155 $5940 $5670