Jeters Company uses a periodic inventory system and reports the following for the month of June.

$($a$)$

Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average$-$cost$.($Round per unit cost to

$3$ decimal places, e$.$g$.15\mathrm{.}647$ and final answers to $0$ decimal places, e$.$g$.5,125.)$