melody cd markets cds for numerous performing arts. At the beginning of June 2023, melody had a beginning inventory of 1500 cds with a unit cost of $7. During june Melody made the following purchases of Cd's june 05 - 2000 @ $8 June 13 - 5,500 @ $9 June 21 - 6000 @ 10 June 26 - 2000 @ 11 During june, 13 000 units (cds) are sold. Melody uses a perodic inventory system required: 1. determine under each of the cost of flow method,FIFO, LIFO &weighted-average the ending inventory and the cost of goods sold