Cullumber Company uses LIFO and a perpetual inventory system for its leading product, Z. Given the historical cost of product Z is $45, the selling price of product Z is $50, costs to sell product Z are $3, the replacement cost for product Z is $46, and the normal profit margin is 40% of sales price, what is the amount that should be used to value the inventory under the lower-of-cost-or-market method? $43$47$46$45