The following information for Zippy Company is: Sales Variable Selling Expenses Fixed Selling Expenses Variable Administrative Expenses Fixed Administrative Expenses Variable Cost of Goods Sold $1,000,000 23,000 33,000 39,000 10,000 300,000 100,000 Fixed Cost of Goods Sold What is the gross margin for this company? A. $500,000 B. $600,000 C. $578,000 D. $548,000