An electronics retailer has a beginning-of-year inventory (at cost) of $400,000; its ending inventory (at cost) is $410,000. Yearly purchases are $800,000 and transportation charges equal $0. The retailer's cost of goods sold is This Financial Formulas @sheet will help you complete this question. $810,000 $950,000 $690,000 $790,000 $1,210,000 $700,000 $850,000