Cost retail inventory, 12/31/20 $250,000 $390,000 purchases 914,500 1,460,000 purchase returns 60,000 80,000 purchase discounts 18,000 — gross sales revenue — 1,410,000 sales returns — 97,500 markups — 120,000 markup cancellations — 40,000 markdowns — 45,000 markdown cancellations — 20,000 freight-in 42,000 — employee discounts granted — 8,000 loss from breakage (normal) — 4,500 assuming that waveland inc. uses the conventional retail inventory method, compute the cost of its ending inventory at december 31, 2021. (round ratios for computational purposes to 0 decimal places, e. g 78% and final answer to 0 decimal places, e. g. 28,987.) ending inventory using the conventional retail inventory method $

World systems manufactures an optical switch that it uses in its final product. world systems incurred the following manufacturing costs when it produced 74 comma 000 units last​ year: ​(click the icon to view the manufacturing​ costs.) another company has offered to sell world systems the switch for $ 13.50 per unit. the world systems prepared an outsourcing decision analysis to show the cost per unit of making the switches versus the cost per unit of buying​ (outsourcing) the switches. ​(click the icon to view the outsourcing decision​ analysis.) world systems needs 86 comma 000 optical switches next year​ (assume same relevant​ range). by outsourcing​ them, world systems can use its idle facilities to manufacture another product that will contribute $ 140 comma 000 to operating​ income, but none of the fixed costs will be avoidable. should world systems make or buy the​ switches? show your analysis.