Very confused about the quanitity found for this one. If someone could please give an in depth explaination that would help tremendously.

ide S Renoir Associates had the following inventory data: Date Quantity Unit Cost July 1 Beginning inventory 5 $55 July 4 Purchase 10 $53 July 7 Sale 12 July 11 Purchase 9 $54 July 14 Sale 8 Assuming FIFO, what is the cost of goods sold for the July 14 sale? (Round any intermediary calculations to the nearest cent and your final answer to the nearest dollar.) $430 $432 O $424 429 Next 15 T