The following data refer to Montgomery Company's ending inventory: Item code Quantity Unit Cost Unit Market Small $64 $76 45 Medium 60 92 88 Large 65 100 84 Extra-Large 35 108 106 How much is ending inventory if the lower of cost or market rule is applied to the total inventory? Select one: a. $17,870 O b. $17,610 c. $17,624 d. $18,680