Compute the ending inventory at retail. Ending inventory \$ (b) Compute a cost-to-retail percentage under the following conditions. (Round ratios to 2 decimal places, e.g. 78.74\%) Compute the ending inventory at retail. Ending inventory \$ (b) Compute a cost-to-retail percentage under the following conditions. (Round ratios to 2 decimal places, e.g. 78.74\%)