I need help showing work

Mays Dress Shop's inventory at cost on January 1 was $37 500 its retal value was $67.500. During the year, May purchased additional merchandise at a cost of $194,700 with a retai value of $304,700 The net sales at retal for the year were $346,500 Caculate May's inventory at cost by the retail method (Round the "cost ratio" to the nearest whole percent) 37,500 194.700 s 57 ory Cost of goods available for sale Cost ratio Ending inventory at cos