Dali's Timepieces had the following inventory data Date Quantity Unit Cost July 1, Beginning Inventory $49 July 4 Purchase 10 $57 July 7 Sale 12 July 11 Purchase 9 $54 July 14 Sale Assuming average cost, what is the cost of goods sold for the July 7 sale? (Round any intermediary calculations to the nearest cent and round your final answer to the nearest dollar.) $652 $644 $636 $668