求一道财务会计题目的答案 题支是英文

求一道财务会计题目的答案 题支是英文
At year-end of 2007,the following information is taken from the accounting records：
net sales 580000
inventory on Jan 1,2007 58000
purchases 297250
Besides,a physical count indicates merchandise costing 49300 is on hand at Dec 31,2007
On seeing this statement,the owner of the company said:“inventory shrinkage losses are really costing me.If it were not for shrinkage losses,the company gross profit would be 50 percent of net sales.
Question:determine the amount of loss from inventory shrinkage stated at cost and at retail sales value.