On december 31, a physical inventory revealed that the ending inventory was only $210,000. petty’s gross profit on net sales has remained constant at 30 percent in recent years. petty suspects that some inventory may have been stolen by one of the company’s employees. at december 31, what is the estimated cost of the missing inventory? select one: a. $292,500 b. $210,000 c. $82,500 d. $75,000 e. $52,50'